Opportunity Signals

State County Signal Type Minimum Severity Search Rows Per Page

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Coliform, total general (2); Chloride [as Cl] (1); Nitrogen, inorganic total (1); Solids, total dissolved (1) 5

Compliance Pressure Npdes Violations 2026-01-31

ALEXANDER DAWSON SCHOOL | School | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

pH (4); Chlorine, total residual (4); Solids, total suspended (4); Flow, in conduit or thru treatment plant (4); Manganese, potentially dissolvd (4) 5

Compliance Pressure Npdes Violations 2026-01-31

CU BOULDER - CHEMISTRY & APPLIED MATHEMATICS | Private Utility | CO / Boulder

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E. coli (25); Nitrogen, inorganic total (7); Nitrogen, ammonia total [as N] (3); Solids, suspended percent removal (3); Solids, total suspended (3) 5

Compliance Pressure Npdes Violations 2026-01-31

ELDORADO SPRINGS WWTF | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Coliform, total general (30); Solids, total suspended (21); BOD, 5-day, 20 deg. C (20); Nitrogen, inorganic total (20); Flow, in conduit or thru treatment plant (15) 5

Compliance Pressure Npdes Violations 2026-01-31

HIGHLANDS PRESBYTERIAN CAMP | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, suspended percent removal (2); Nitrogen, inorganic total (2); BOD, 5-day, 20 deg. C (1); Coliform, total general (1) 5

Compliance Pressure Npdes Violations 2026-01-31

LEFT HAND WATER AND SANITATION DISTRICT WWTW | District | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Lead, potentially dissolvd (20); Copper, potentially dissolved (16); Solids, total suspended (1) 5

Compliance Pressure Npdes Violations 2026-01-31

PEARL PLACE | Private Utility | CO / Boulder

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Select Brief Source Details

Uranium, total (4); pH (4); Iron, total recoverable (4); Selenium, potentially dissolvd (4); Flow, in conduit or thru treatment plant (4) 5

Compliance Pressure Npdes Violations 2025-12-31

00905-543 WM FUEL STATION LONGMONT CO | Private Utility | CO / Boulder

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Vinyl chloride (23); Manganese, dissolved [as Mn] (20); Iron, total recoverable (16); Flow, in conduit or thru treatment plant (7); 1,4-Dioxane (3) 5

Compliance Pressure Npdes Violations 2025-12-31

BOULDER OPEN SPACE SEEP OUTFALLS 002A AND 003A | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

E. coli (2); Solids, total suspended (1) 5

Compliance Pressure Npdes Violations 2025-12-31

FAIRGROUNDS MARKET PLACE - DW | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (16); Chlorine, total residual (16); pH (16); Flow, in conduit or thru treatment plant (16); Oil and grease (8) 5

Compliance Pressure Npdes Violations 2025-12-31

HIGHLANDS PRESBYTERIAN CAMP | Private Utility | CO / Boulder

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pH (16); Solids, total suspended (16); Flow, in conduit or thru treatment plant (16); Oil and grease visual (8); Oil and grease (8) 5

Compliance Pressure Npdes Violations 2025-12-31

LONGMONT BATCH PLANT | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

BOD, 5-day, 20 deg. C (96); Solids, total suspended (64); Flow, in conduit or thru treatment plant (64); Nitrogen, ammonia total [as N] (48); E. coli (48) 5

Compliance Pressure Npdes Violations 2025-12-31

PEACEFUL VALLEY RANCH | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

BOD, 5-day, 20 deg. C (44); Solids, total suspended (24); Flow, in conduit or thru treatment plant (20); Nitrogen, ammonia total [as N] (16); Plant capacity fact. percent of capacity (10) 5

Compliance Pressure Npdes Violations 2025-12-31

RED LION INN WWTF | Private Utility | CO / Boulder

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Solids, total suspended (41); BOD, 5-day, 20 deg. C (40); Nitrogen, ammonia total [as N] (39); E. coli (29); Flow, in conduit or thru treatment plant (24) 5

Compliance Pressure Npdes Violations 2025-12-31

SAN SOUCI MHP | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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E. coli, thermotol, MF, MTEC (2); Nitrogen, ammonia total [as N] (1); Selenium, potentially dissolvd (1); Chlorine, total residual (1) 5

Compliance Pressure Npdes Violations 2025-12-31

SUPERIOR METROPOLITAN DIST NO1 | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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Iron, total recoverable (2); Solids, total suspended (2); Copper, total recoverable (2); Zinc, total recoverable (2); Aluminum, total recoverable (2) 5

Compliance Pressure Npdes Violations 2025-12-31

WESTERN FOUNDRIES INC | Private Company | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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Uranium, total (2); Flow, in conduit or thru treatment plant (2); Solids, total suspended (2); Iron, total recoverable (2); Iron, dissolved [as Fe] (2) 5

Compliance Pressure Npdes Violations 2025-11-30

PA 1 KOHLER TRANSMISSION LINE | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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Flow, in conduit or thru treatment plant (60); pH (30); E. coli, thermotol, MF, MTEC (30); Chlorine, total residual (30); Temperature, water deg. centigrade (30) 5

Compliance Pressure Npdes Violations 2025-11-30

SAN LAZARO MHP WWTF | Private Utility | CO / Boulder

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Flow, in conduit or thru treatment plant (42); Solids, total suspended (42); pH (42); Oil and grease (21); Duration of discharge (21) 5

Compliance Pressure Npdes Violations 2025-10-31

19TH ST & FOURMILE CANYON CREEK UNDERPASS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Flow, in conduit or thru treatment plant (2); Nitrogen, ammonia total [as N] (1) 5

Compliance Pressure Npdes Violations 2025-10-31

GLACIER VIEW RANCH | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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Temperature, water deg. centigrade (6); Nitrogen, ammonia total [as N] (5); Nitrogen, inorganic total (2); E. coli (1); BOD, 5-day, 20 deg. C (1) 5

Compliance Pressure Npdes Violations 2025-10-31

LYONS TOWN OF | Municipality | CO / Boulder

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pH (30); Flow, in conduit or thru treatment plant (30); Oil and grease visual (15); Flow, total (15); Oil and grease (15) 5

Compliance Pressure Npdes Violations 2025-10-31

SOUTH BOULDER CREEK REGIONAL DETENTION | Private Utility | CO / Boulder

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Solids, total suspended (8); pH (8); Chlorine, total residual (8); Flow, in conduit or thru treatment plant (8); Oil and grease (4) 5

Compliance Pressure Npdes Violations 2025-09-30

SAN LAZARO WTP | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Flow, in conduit or thru treatment plant (6) 5

Compliance Pressure Npdes Violations 2025-08-31

929 PEARL ST DEWATERING SYSTEM | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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Nitrobenzene (2); Chromium, hexavalent dissolved [as Cr] (2); Chromium, trivalent, potentially dissolvd (2); Zinc, potentially dissolved (1) 5

Compliance Pressure Npdes Violations 2025-08-31

BOULDER COMMONS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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Sulfide-hydrogen sulfide [undissociated] (37); Aluminum, total recoverable (36); Chloride [as Cl] (36); Static Renewal 7 Day Chronic Ceriodaphnia dubia (2); Copper, total [as Cu] (1) 5

Compliance Pressure Npdes Violations 2025-08-31

LONGMONT WWTF | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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BOD, 5-day, 20 deg. C (2); Plant capacity fact. percent of capacity (2); Flow, in conduit or thru treatment plant (2) 5

Compliance Pressure Npdes Violations 2025-07-31

FAIRWAYS METROPOLITAN DISTRICT | District | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Di[2-ethylhexyl] phthalate [DEHP] (11); Copper, potentially dissolved (6); Zinc, potentially dissolved (1); Lead, potentially dissolvd (1); Solids, total suspended (1) 5

Compliance Pressure Npdes Violations 2025-06-30

1301 CANYON CONDOMINIUM | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (240); Iron, dissolved [as Fe] (240); Manganese, dissolved [as Mn] (240); Arsenic, total recoverable (240); Flow, in conduit or thru treatment plant (240) 5

Compliance Pressure Npdes Violations 2025-06-30

63RD STREET WATERLINE | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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Copper, potentially dissolved (15); Uranium, total (12); Selenium, potentially dissolvd (11); Flow, in conduit or thru treatment plant (6); Silver, potentially dissolved (6) 5

Compliance Pressure Npdes Violations 2025-06-30

BOULDER COMMUNITY HOSPITAL FOOTHILLS CAMPUS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Lead, potentially dissolvd (2); Silver, potentially dissolved (2); Cadmium, potentially dissolvd (2); Mercury, total recoverable (2); Perfluoroheptanesulfonic acid (PFHpS) (1) 5

Compliance Pressure Npdes Violations 2025-06-30

BOULDER COUNTY HAZARDOUS MATERIALS MANAGEMENT FACILITY | County | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (4); pH (4); Flow, in conduit or thru treatment plant (4); Oil and grease (2); Conductivity (2) 5

Compliance Pressure Npdes Violations 2025-06-30

IRWIN THOMAS PIT | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (3) 5

Compliance Pressure Npdes Violations 2025-06-30

NEDERLAND TOWN OF WATER TREATMENT PLANT | Municipality | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Copper, potentially dissolved (4) 5

Compliance Pressure Npdes Violations 2025-05-31

1155 CANYON BLVD | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Copper, potentially dissolved (17); Zinc, potentially dissolved (15); Lead, potentially dissolvd (15) 5

Compliance Pressure Npdes Violations 2025-05-31

3100 PEARL | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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pH (12); Flow, in conduit or thru treatment plant (12); Oil and grease (6); Flow, total (6); Oil and grease visual (6) 5

Compliance Pressure Npdes Violations 2025-05-31

BOULDER BNSF UNDERPASS PROJECT | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

BOD, 5-day, 20 deg. C (2) 5

Compliance Pressure Npdes Violations 2025-05-31

BOULDER MOUNTAIN LODGEWWTF | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Chloroform (14); Copper, potentially dissolved (10) 5

Compliance Pressure Npdes Violations 2025-05-31

DEPOT SQUARE | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Copper, potentially dissolved (40); Chloroform (17); Zinc, potentially dissolved (16); Lead, potentially dissolvd (15); Chloride [as Cl] (15) 5

Compliance Pressure Npdes Violations 2025-05-31

EASTPOINTE REDEVELOPMENT | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (2) 5

Compliance Pressure Npdes Violations 2025-05-31

GROSS RESERVOIR EXPANSION | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (11); pH (11); Uranium, total (8); Flow, in conduit or thru treatment plant (8); Manganese, dissolved [as Mn] (8) 5

Compliance Pressure Npdes Violations 2025-05-31

IGNITE - ELDORA SKI RESORT | Resort | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Selenium, potentially dissolvd (40); Copper, potentially dissolved (40); N-ethyl perfluorooctanesulfonamide (NEtFOSA) (30); 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) (30); Perfluorononanoic acid (PFNA) (30) 5

Compliance Pressure Npdes Violations 2025-05-31

LANDMARK LOFTS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Copper, potentially dissolved (15); Zinc, potentially dissolved (13); Benzene (1); Chromium, trivalent, potentially dissolvd (1) 5

Compliance Pressure Npdes Violations 2025-05-31

LOTUS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Nitrogen, inorganic total (2); Solids, total dissolved (2); Coliform, total general (1) 5

Compliance Pressure Npdes Violations 2025-05-31

MOUNTAIN RESEARCH CENTER | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Uranium, total (18); Solids, total suspended (18); Manganese, dissolved [as Mn] (18); pH (18); Iron, total recoverable (18) 5

Compliance Pressure Npdes Violations 2025-05-31

N 71 ST SHOULDERS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (24); Uranium, total (24); pH (24); Iron, dissolved [as Fe] (24); Manganese, dissolved [as Mn] (24) 5

Compliance Pressure Npdes Violations 2025-05-31

NIWOT WASTEWATER TREATMENT PLAN | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Chloroform (15); Zinc, potentially dissolved (14); Copper, potentially dissolved (1) 5

Compliance Pressure Npdes Violations 2025-05-31

REVE | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Copper, potentially dissolved (17); Chloroform (16); Chloride [as Cl] (16); Nitrogen, nitrate total [as N] (15); Tetrachloroethylene (13) 5

Compliance Pressure Npdes Violations 2025-05-31

SPARK TIMBERLOFTS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

pH (42); Solids, total suspended (42); Flow, in conduit or thru treatment plant (42); Flow, total (21); Oil and grease visual (21) 5

Compliance Pressure Npdes Violations 2025-05-31

ST. VRAIN CREEK FLOOD RISK REDUCTION | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Flow, in conduit or thru treatment plant (6); Solids, total suspended (6); Iron, dissolved [as Fe] (6); pH (6); Uranium, total (6) 5

Compliance Pressure Npdes Violations 2025-05-31

THE STANDARD AT BOULDER | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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Selenium, potentially dissolvd (17); Flow, in conduit or thru treatment plant (14); Solids, total suspended (14); pH (14); Indeno[1,2,3-cd]pyrene (9) 5

Compliance Pressure Npdes Violations 2025-04-30

GUNBARREL TECH CENTER I & II | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (12); Manganese, dissolved [as Mn] (2); Iron, total recoverable (2); Selenium, potentially dissolvd (2); Uranium, total (2) 5

Compliance Pressure Npdes Violations 2025-04-30

WALDEN PONDS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (26); pH (26); Flow, in conduit or thru treatment plant (26); Flow, total (13); Oil and grease (13) 5

Compliance Pressure Npdes Violations 2025-03-31

19TH ST & FOURMILE CANYON CREEK UNDERPASS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

E. coli (10) 5

Compliance Pressure Npdes Violations 2025-03-31

75 ST WWTF | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Copper, potentially dissolved (7) 5

Compliance Pressure Npdes Violations 2025-02-28

ARETE CONDOMINIUM ASSOCIATION | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Flow, in conduit or thru treatment plant (10); PFAS Sum (2); Iron, dissolved [as Fe] (1) 5

Compliance Pressure Npdes Violations 2025-01-31

PELOTON CONDOMINIUM ASSOCIATION INC | Private Company | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Flow, in conduit or thru treatment plant (8); Iron, total recoverable (8); Selenium, potentially dissolvd (8); Iron, dissolved [as Fe] (8); Arsenic, total recoverable (8) 5

Compliance Pressure Npdes Violations 2024-12-31

PRICE PARK TANK REPLACEMENT | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

pH (2); Solids, total suspended (2) 5

Compliance Pressure Npdes Violations 2024-12-31

SAWHILL PONDS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (6); Flow, in conduit or thru treatment plant (6); pH (6); Oil and grease (3); Duration of discharge (3) 5

Compliance Pressure Npdes Violations 2024-11-30

GEBHARD IMPLEMENTATION | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

pH (12); Flow, in conduit or thru treatment plant (12); Solids, total suspended (12); Oil and grease (6); Duration of discharge (6) 5

Compliance Pressure Npdes Violations 2024-11-30

GOOSE CREEK CHANNEL IMPROVEMENTS FROM BNSF TO FOOTHILLS PARKWAY PHASE 2 | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Flow, in conduit or thru treatment plant (6); pH (6); Solids, total suspended (4); Duration of discharge (3); Oil and grease visual (3) 5

Compliance Pressure Npdes Violations 2024-11-30

UNION RESERVOIR COMPANY SPRING GULCH CROSSING | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Manganese, dissolved [as Mn] (4); pH (4); Uranium, total (4); Selenium, potentially dissolvd (4); Iron, total recoverable (4) 5

Compliance Pressure Npdes Violations 2024-10-31

BOULDER COUNTY PUBLIC WORKS NORTH 95TH AND NEW ISH DITCH MINOR STRUCTURE REPLACE | County | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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Flow, in conduit or thru treatment plant (32); Solids, total suspended (32); pH (32); 1,4-Dioxane (20); Manganese, dissolved [as Mn] (20) 5

Compliance Pressure Npdes Violations 2024-09-30

WEATHERVANE BOULDER HOUSING DEVELOPMENT | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Arsenic, total recoverable (12); Iron, total recoverable (12); Uranium, total (12); Selenium, potentially dissolvd (12); Solids, total suspended (12) 5

Compliance Pressure Npdes Violations 2024-08-31

LONGMONT WWTP | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Flow, in conduit or thru treatment plant (6); pH (6); Duration of discharge (3); Oil and grease (3); Oil and grease visual (3) 5

Compliance Pressure Npdes Violations 2024-08-27

NOTCH 66 | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Manganese, dissolved [as Mn] (2); Selenium, potentially dissolvd (2); Uranium, total (2); pH (2); Arsenic, total recoverable (2) 5

Compliance Pressure Npdes Violations 2024-07-31

19TH ST MULTIMODAL IMPROVEMENTS | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Uranium, total (10); Solids, total suspended (10); Arsenic, total recoverable (10); Flow, in conduit or thru treatment plant (10); Manganese, dissolved [as Mn] (10) 5

Compliance Pressure Npdes Violations 2024-07-31

LONGMONT WWTP | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Flow, in conduit or thru treatment plant (2); Solids, total suspended (2); pH (2); Oil and grease visual (1); Conductivity (1) 5

Compliance Pressure Npdes Violations 2024-06-30

BARNARD QUARRY | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Iron, dissolved [as Fe] (4); Arsenic, total recoverable (4); Selenium, potentially dissolvd (4); Iron, total recoverable (4); Uranium, total (4) 5

Compliance Pressure Npdes Violations 2024-06-30

CITY OF LONGMONT PUBLIC WORKS & NATURAL RESOURCES | Municipality | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Selenium, potentially dissolvd (4); Chloroform (4); Flow, in conduit or thru treatment plant (4); pH (4); Solids, total suspended (4) 5

Compliance Pressure Npdes Violations 2024-06-30

LONGMONT TRUNK LINE | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Solids, total suspended (4); pH (4); Flow, in conduit or thru treatment plant (4); Oil and grease visual (2); Oil and grease (2) 5

Compliance Pressure Npdes Violations 2024-04-30

ELDORA MOUNTAIN RESORT | Resort | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

Iron, total [as Fe] (1); Solids, total suspended (1); Aluminum, total [as Al] (1); Lead, total [as Pb] (1) 5

Compliance Pressure Npdes Violations 2024-03-31

A-1 AUTO SALVAGE | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

pH (6); Coliform, total general (3); Chloride [as Cl] (3); Sulfate, total [as SO4] (3); Solids, total dissolved (3) 5

Compliance Pressure Npdes Violations 2024-03-31

TAHOSA SCOUT CAMP | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2026-01-31

ALEXANDER DAWSON SCHOOL | School | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 32; avg 15.5 4

Reporting Weakness Dmr Pattern 2026-01-31

CU BOULDER - CHEMISTRY & APPLIED MATHEMATICS | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 58; avg 2.7 4

Reporting Weakness Dmr Pattern 2026-01-31

ELDORADO SPRINGS WWTF | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 73; avg 41.3 4

Reporting Weakness Dmr Pattern 2026-01-31

HIGHLANDS PRESBYTERIAN CAMP | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2026-01-31

LEFT HAND WATER AND SANITATION DISTRICT WWTW | District | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2026-01-31

PEARL PLACE | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-12-31

00905-543 WM FUEL STATION LONGMONT CO | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 317; avg 7.9 4

Reporting Weakness Dmr Pattern 2025-12-31

BOULDER OPEN SPACE SEEP OUTFALLS 002A AND 003A | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 1; avg 0.3 4

Reporting Weakness Dmr Pattern 2025-12-31

FAIRGROUNDS MARKET PLACE - DW | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-12-31

HIGHLANDS PRESBYTERIAN CAMP | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-12-31

LONGMONT BATCH PLANT | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-12-31

PEACEFUL VALLEY RANCH | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-12-31

RED LION INN WWTF | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 118; avg 52.6 4

Reporting Weakness Dmr Pattern 2025-12-31

SAN SOUCI MHP | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-12-31

SUPERIOR METROPOLITAN DIST NO1 | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-12-31

WESTERN FOUNDRIES INC | Private Company | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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max 39; avg 39.0 4

Reporting Weakness Dmr Pattern 2025-11-30

PA 1 KOHLER TRANSMISSION LINE | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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max 277; avg 138.8 4

Reporting Weakness Dmr Pattern 2025-11-30

SAN LAZARO MHP WWTF | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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Flow, in conduit or thru treatment plant (2) 4

Compliance Pressure Npdes Violations 2025-11-30

STA 1191-033 #21497 CO 119 MOBILITY IMPROVEMENTS (NIWOT) | Private Utility | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-11-30

STA 1191-033 #21497 CO 119 MOBILITY IMPROVEMENTS (NIWOT) | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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max 107; avg 76.7 4

Reporting Weakness Dmr Pattern 2025-10-31

19TH ST & FOURMILE CANYON CREEK UNDERPASS | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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max 49; avg 32.7 4

Reporting Weakness Dmr Pattern 2025-10-31

GLACIER VIEW RANCH | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-10-31

LYONS TOWN OF | Municipality | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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max 107; avg 76.7 4

Reporting Weakness Dmr Pattern 2025-10-31

SOUTH BOULDER CREEK REGIONAL DETENTION | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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Solids, total suspended (2) 4

Compliance Pressure Npdes Violations 2025-09-30

PRINCE LAKE NO 1 BOULDER COUNTY | County | CO / Boulder

Validate the operator, engineer, and governing decision chain before outreach.

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max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-09-30

PRINCE LAKE NO 1 BOULDER COUNTY | County | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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max 305; avg 183.8 4

Reporting Weakness Dmr Pattern 2025-09-30

SAN LAZARO WTP | Private Utility | CO / Boulder

Review reporting workflow, SCADA telemetry, and operator coverage.

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Severity	Target Account	Signal	Found	Summary	Recommended Action
5	ALEXANDER DAWSON SCHOOL School \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2026-01-31	Coliform, total general (2); Chloride [as Cl] (1); Nitrogen, inorganic total (1); Solids, total dissolved (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	CU BOULDER - CHEMISTRY & APPLIED MATHEMATICS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2026-01-31	pH (4); Chlorine, total residual (4); Solids, total suspended (4); Flow, in conduit or thru treatment plant (4); Manganese, potentially dissolvd (4) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	ELDORADO SPRINGS WWTF Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2026-01-31	E. coli (25); Nitrogen, inorganic total (7); Nitrogen, ammonia total [as N] (3); Solids, suspended percent removal (3); Solids, total suspended (3) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	HIGHLANDS PRESBYTERIAN CAMP Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2026-01-31	Coliform, total general (30); Solids, total suspended (21); BOD, 5-day, 20 deg. C (20); Nitrogen, inorganic total (20); Flow, in conduit or thru treatment plant (15) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	LEFT HAND WATER AND SANITATION DISTRICT WWTW District \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2026-01-31	Solids, suspended percent removal (2); Nitrogen, inorganic total (2); BOD, 5-day, 20 deg. C (1); Coliform, total general (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	PEARL PLACE Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2026-01-31	Lead, potentially dissolvd (20); Copper, potentially dissolved (16); Solids, total suspended (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	00905-543 WM FUEL STATION LONGMONT CO Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-12-31	Uranium, total (4); pH (4); Iron, total recoverable (4); Selenium, potentially dissolvd (4); Flow, in conduit or thru treatment plant (4) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	BOULDER OPEN SPACE SEEP OUTFALLS 002A AND 003A Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-12-31	Vinyl chloride (23); Manganese, dissolved [as Mn] (20); Iron, total recoverable (16); Flow, in conduit or thru treatment plant (7); 1,4-Dioxane (3) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	FAIRGROUNDS MARKET PLACE - DW Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-12-31	E. coli (2); Solids, total suspended (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	HIGHLANDS PRESBYTERIAN CAMP Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-12-31	Solids, total suspended (16); Chlorine, total residual (16); pH (16); Flow, in conduit or thru treatment plant (16); Oil and grease (8) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	LONGMONT BATCH PLANT Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-12-31	pH (16); Solids, total suspended (16); Flow, in conduit or thru treatment plant (16); Oil and grease visual (8); Oil and grease (8) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	PEACEFUL VALLEY RANCH Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-12-31	BOD, 5-day, 20 deg. C (96); Solids, total suspended (64); Flow, in conduit or thru treatment plant (64); Nitrogen, ammonia total [as N] (48); E. coli (48) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	RED LION INN WWTF Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-12-31	BOD, 5-day, 20 deg. C (44); Solids, total suspended (24); Flow, in conduit or thru treatment plant (20); Nitrogen, ammonia total [as N] (16); Plant capacity fact. percent of capacity (10) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	SAN SOUCI MHP Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-12-31	Solids, total suspended (41); BOD, 5-day, 20 deg. C (40); Nitrogen, ammonia total [as N] (39); E. coli (29); Flow, in conduit or thru treatment plant (24) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	SUPERIOR METROPOLITAN DIST NO1 Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-12-31	E. coli, thermotol, MF, MTEC (2); Nitrogen, ammonia total [as N] (1); Selenium, potentially dissolvd (1); Chlorine, total residual (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	WESTERN FOUNDRIES INC Private Company \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-12-31	Iron, total recoverable (2); Solids, total suspended (2); Copper, total recoverable (2); Zinc, total recoverable (2); Aluminum, total recoverable (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	PA 1 KOHLER TRANSMISSION LINE Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-11-30	Uranium, total (2); Flow, in conduit or thru treatment plant (2); Solids, total suspended (2); Iron, total recoverable (2); Iron, dissolved [as Fe] (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	SAN LAZARO MHP WWTF Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-11-30	Flow, in conduit or thru treatment plant (60); pH (30); E. coli, thermotol, MF, MTEC (30); Chlorine, total residual (30); Temperature, water deg. centigrade (30) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	19TH ST & FOURMILE CANYON CREEK UNDERPASS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-10-31	Flow, in conduit or thru treatment plant (42); Solids, total suspended (42); pH (42); Oil and grease (21); Duration of discharge (21) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	GLACIER VIEW RANCH Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-10-31	Flow, in conduit or thru treatment plant (2); Nitrogen, ammonia total [as N] (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	LYONS TOWN OF Municipality \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-10-31	Temperature, water deg. centigrade (6); Nitrogen, ammonia total [as N] (5); Nitrogen, inorganic total (2); E. coli (1); BOD, 5-day, 20 deg. C (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	SOUTH BOULDER CREEK REGIONAL DETENTION Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-10-31	pH (30); Flow, in conduit or thru treatment plant (30); Oil and grease visual (15); Flow, total (15); Oil and grease (15) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	SAN LAZARO WTP Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-09-30	Solids, total suspended (8); pH (8); Chlorine, total residual (8); Flow, in conduit or thru treatment plant (8); Oil and grease (4) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	929 PEARL ST DEWATERING SYSTEM Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-08-31	Flow, in conduit or thru treatment plant (6) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	BOULDER COMMONS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-08-31	Nitrobenzene (2); Chromium, hexavalent dissolved [as Cr] (2); Chromium, trivalent, potentially dissolvd (2); Zinc, potentially dissolved (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	LONGMONT WWTF Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-08-31	Sulfide-hydrogen sulfide [undissociated] (37); Aluminum, total recoverable (36); Chloride [as Cl] (36); Static Renewal 7 Day Chronic Ceriodaphnia dubia (2); Copper, total [as Cu] (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	FAIRWAYS METROPOLITAN DISTRICT District \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-07-31	BOD, 5-day, 20 deg. C (2); Plant capacity fact. percent of capacity (2); Flow, in conduit or thru treatment plant (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	1301 CANYON CONDOMINIUM Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-06-30	Di[2-ethylhexyl] phthalate [DEHP] (11); Copper, potentially dissolved (6); Zinc, potentially dissolved (1); Lead, potentially dissolvd (1); Solids, total suspended (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	63RD STREET WATERLINE Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-06-30	Solids, total suspended (240); Iron, dissolved [as Fe] (240); Manganese, dissolved [as Mn] (240); Arsenic, total recoverable (240); Flow, in conduit or thru treatment plant (240) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	BOULDER COMMUNITY HOSPITAL FOOTHILLS CAMPUS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-06-30	Copper, potentially dissolved (15); Uranium, total (12); Selenium, potentially dissolvd (11); Flow, in conduit or thru treatment plant (6); Silver, potentially dissolved (6) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	BOULDER COUNTY HAZARDOUS MATERIALS MANAGEMENT FACILITY County \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-06-30	Lead, potentially dissolvd (2); Silver, potentially dissolved (2); Cadmium, potentially dissolvd (2); Mercury, total recoverable (2); Perfluoroheptanesulfonic acid (PFHpS) (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	IRWIN THOMAS PIT Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-06-30	Solids, total suspended (4); pH (4); Flow, in conduit or thru treatment plant (4); Oil and grease (2); Conductivity (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	NEDERLAND TOWN OF WATER TREATMENT PLANT Municipality \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-06-30	Solids, total suspended (3) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	1155 CANYON BLVD Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Copper, potentially dissolved (4) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	3100 PEARL Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Copper, potentially dissolved (17); Zinc, potentially dissolved (15); Lead, potentially dissolvd (15) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	BOULDER BNSF UNDERPASS PROJECT Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	pH (12); Flow, in conduit or thru treatment plant (12); Oil and grease (6); Flow, total (6); Oil and grease visual (6) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	BOULDER MOUNTAIN LODGEWWTF Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	BOD, 5-day, 20 deg. C (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	DEPOT SQUARE Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Chloroform (14); Copper, potentially dissolved (10) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	EASTPOINTE REDEVELOPMENT Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Copper, potentially dissolved (40); Chloroform (17); Zinc, potentially dissolved (16); Lead, potentially dissolvd (15); Chloride [as Cl] (15) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	GROSS RESERVOIR EXPANSION Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Solids, total suspended (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	IGNITE - ELDORA SKI RESORT Resort \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Solids, total suspended (11); pH (11); Uranium, total (8); Flow, in conduit or thru treatment plant (8); Manganese, dissolved [as Mn] (8) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	LANDMARK LOFTS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Selenium, potentially dissolvd (40); Copper, potentially dissolved (40); N-ethyl perfluorooctanesulfonamide (NEtFOSA) (30); 1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS) (30); Perfluorononanoic acid (PFNA) (30) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	LOTUS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Copper, potentially dissolved (15); Zinc, potentially dissolved (13); Benzene (1); Chromium, trivalent, potentially dissolvd (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	MOUNTAIN RESEARCH CENTER Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Nitrogen, inorganic total (2); Solids, total dissolved (2); Coliform, total general (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	N 71 ST SHOULDERS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Uranium, total (18); Solids, total suspended (18); Manganese, dissolved [as Mn] (18); pH (18); Iron, total recoverable (18) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	NIWOT WASTEWATER TREATMENT PLAN Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Solids, total suspended (24); Uranium, total (24); pH (24); Iron, dissolved [as Fe] (24); Manganese, dissolved [as Mn] (24) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	REVE Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Chloroform (15); Zinc, potentially dissolved (14); Copper, potentially dissolved (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	SPARK TIMBERLOFTS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Copper, potentially dissolved (17); Chloroform (16); Chloride [as Cl] (16); Nitrogen, nitrate total [as N] (15); Tetrachloroethylene (13) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	ST. VRAIN CREEK FLOOD RISK REDUCTION Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	pH (42); Solids, total suspended (42); Flow, in conduit or thru treatment plant (42); Flow, total (21); Oil and grease visual (21) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	THE STANDARD AT BOULDER Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-05-31	Flow, in conduit or thru treatment plant (6); Solids, total suspended (6); Iron, dissolved [as Fe] (6); pH (6); Uranium, total (6) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	GUNBARREL TECH CENTER I & II Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-04-30	Selenium, potentially dissolvd (17); Flow, in conduit or thru treatment plant (14); Solids, total suspended (14); pH (14); Indeno[1,2,3-cd]pyrene (9) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	WALDEN PONDS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-04-30	Solids, total suspended (12); Manganese, dissolved [as Mn] (2); Iron, total recoverable (2); Selenium, potentially dissolvd (2); Uranium, total (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	19TH ST & FOURMILE CANYON CREEK UNDERPASS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-03-31	Solids, total suspended (26); pH (26); Flow, in conduit or thru treatment plant (26); Flow, total (13); Oil and grease (13) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	75 ST WWTF Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-03-31	E. coli (10) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	ARETE CONDOMINIUM ASSOCIATION Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-02-28	Copper, potentially dissolved (7) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	PELOTON CONDOMINIUM ASSOCIATION INC Private Company \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-01-31	Flow, in conduit or thru treatment plant (10); PFAS Sum (2); Iron, dissolved [as Fe] (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	PRICE PARK TANK REPLACEMENT Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-12-31	Flow, in conduit or thru treatment plant (8); Iron, total recoverable (8); Selenium, potentially dissolvd (8); Iron, dissolved [as Fe] (8); Arsenic, total recoverable (8) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	SAWHILL PONDS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-12-31	pH (2); Solids, total suspended (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	GEBHARD IMPLEMENTATION Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-11-30	Solids, total suspended (6); Flow, in conduit or thru treatment plant (6); pH (6); Oil and grease (3); Duration of discharge (3) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	GOOSE CREEK CHANNEL IMPROVEMENTS FROM BNSF TO FOOTHILLS PARKWAY PHASE 2 Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-11-30	pH (12); Flow, in conduit or thru treatment plant (12); Solids, total suspended (12); Oil and grease (6); Duration of discharge (6) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	UNION RESERVOIR COMPANY SPRING GULCH CROSSING Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-11-30	Flow, in conduit or thru treatment plant (6); pH (6); Solids, total suspended (4); Duration of discharge (3); Oil and grease visual (3) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	BOULDER COUNTY PUBLIC WORKS NORTH 95TH AND NEW ISH DITCH MINOR STRUCTURE REPLACE County \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-10-31	Manganese, dissolved [as Mn] (4); pH (4); Uranium, total (4); Selenium, potentially dissolvd (4); Iron, total recoverable (4) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	WEATHERVANE BOULDER HOUSING DEVELOPMENT Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-09-30	Flow, in conduit or thru treatment plant (32); Solids, total suspended (32); pH (32); 1,4-Dioxane (20); Manganese, dissolved [as Mn] (20) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	LONGMONT WWTP Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-08-31	Arsenic, total recoverable (12); Iron, total recoverable (12); Uranium, total (12); Selenium, potentially dissolvd (12); Solids, total suspended (12) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	NOTCH 66 Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-08-27	Flow, in conduit or thru treatment plant (6); pH (6); Duration of discharge (3); Oil and grease (3); Oil and grease visual (3) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	19TH ST MULTIMODAL IMPROVEMENTS Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-07-31	Manganese, dissolved [as Mn] (2); Selenium, potentially dissolvd (2); Uranium, total (2); pH (2); Arsenic, total recoverable (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	LONGMONT WWTP Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-07-31	Uranium, total (10); Solids, total suspended (10); Arsenic, total recoverable (10); Flow, in conduit or thru treatment plant (10); Manganese, dissolved [as Mn] (10) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	BARNARD QUARRY Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-06-30	Flow, in conduit or thru treatment plant (2); Solids, total suspended (2); pH (2); Oil and grease visual (1); Conductivity (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	CITY OF LONGMONT PUBLIC WORKS & NATURAL RESOURCES Municipality \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-06-30	Iron, dissolved [as Fe] (4); Arsenic, total recoverable (4); Selenium, potentially dissolvd (4); Iron, total recoverable (4); Uranium, total (4) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	LONGMONT TRUNK LINE Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-06-30	Selenium, potentially dissolvd (4); Chloroform (4); Flow, in conduit or thru treatment plant (4); pH (4); Solids, total suspended (4) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	ELDORA MOUNTAIN RESORT Resort \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-04-30	Solids, total suspended (4); pH (4); Flow, in conduit or thru treatment plant (4); Oil and grease visual (2); Oil and grease (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	A-1 AUTO SALVAGE Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-03-31	Iron, total [as Fe] (1); Solids, total suspended (1); Aluminum, total [as Al] (1); Lead, total [as Pb] (1) Open source	Validate the operator, engineer, and governing decision chain before outreach.
5	TAHOSA SCOUT CAMP Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2024-03-31	pH (6); Coliform, total general (3); Chloride [as Cl] (3); Sulfate, total [as SO4] (3); Solids, total dissolved (3) Open source	Validate the operator, engineer, and governing decision chain before outreach.
4	ALEXANDER DAWSON SCHOOL School \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2026-01-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	CU BOULDER - CHEMISTRY & APPLIED MATHEMATICS Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2026-01-31	max 32; avg 15.5 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	ELDORADO SPRINGS WWTF Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2026-01-31	max 58; avg 2.7 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	HIGHLANDS PRESBYTERIAN CAMP Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2026-01-31	max 73; avg 41.3 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	LEFT HAND WATER AND SANITATION DISTRICT WWTW District \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2026-01-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	PEARL PLACE Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2026-01-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	00905-543 WM FUEL STATION LONGMONT CO Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-12-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	BOULDER OPEN SPACE SEEP OUTFALLS 002A AND 003A Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-12-31	max 317; avg 7.9 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	FAIRGROUNDS MARKET PLACE - DW Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-12-31	max 1; avg 0.3 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	HIGHLANDS PRESBYTERIAN CAMP Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-12-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	LONGMONT BATCH PLANT Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-12-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	PEACEFUL VALLEY RANCH Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-12-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	RED LION INN WWTF Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-12-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	SAN SOUCI MHP Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-12-31	max 118; avg 52.6 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	SUPERIOR METROPOLITAN DIST NO1 Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-12-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	WESTERN FOUNDRIES INC Private Company \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-12-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	PA 1 KOHLER TRANSMISSION LINE Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-11-30	max 39; avg 39.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	SAN LAZARO MHP WWTF Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-11-30	max 277; avg 138.8 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	STA 1191-033 #21497 CO 119 MOBILITY IMPROVEMENTS (NIWOT) Private Utility \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-11-30	Flow, in conduit or thru treatment plant (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
4	STA 1191-033 #21497 CO 119 MOBILITY IMPROVEMENTS (NIWOT) Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-11-30	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	19TH ST & FOURMILE CANYON CREEK UNDERPASS Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-10-31	max 107; avg 76.7 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	GLACIER VIEW RANCH Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-10-31	max 49; avg 32.7 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	LYONS TOWN OF Municipality \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-10-31	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	SOUTH BOULDER CREEK REGIONAL DETENTION Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-10-31	max 107; avg 76.7 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	PRINCE LAKE NO 1 BOULDER COUNTY County \| CO / Boulder Open target brief	Compliance Pressure Npdes Violations	2025-09-30	Solids, total suspended (2) Open source	Validate the operator, engineer, and governing decision chain before outreach.
4	PRINCE LAKE NO 1 BOULDER COUNTY County \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-09-30	max 0; avg 0.0 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.
4	SAN LAZARO WTP Private Utility \| CO / Boulder Open target brief	Reporting Weakness Dmr Pattern	2025-09-30	max 305; avg 183.8 Open source	Review reporting workflow, SCADA telemetry, and operator coverage.