Opportunity Signals

State County Signal Type Minimum Severity Search Rows Per Page

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Zinc, total recoverable (20); Copper, total recoverable (5) 5

Compliance Pressure Npdes Violations 2026-02-28

CITY OF HELENA WWTP | Municipality | MT / Lewis and Clark

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

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Nitrogen, total [as N] (10); Copper, total recoverable (7); Phosphorus, total [as P] (7); E. coli, MTEC-MF (6); BOD, 5-day, 20 deg. C (5) 5

Compliance Pressure Npdes Violations 2026-02-28

EAST HELENA WWTF | Private Utility | MT / Lewis and Clark

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

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Nitrogen, total [as N] (16) 5

Compliance Pressure Npdes Violations 2026-01-31

TIMBER WORKS ESTATES SUBDIVISION | Subdivision | MT / Lewis and Clark

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

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Nitrogen, ammonia total [as N] (32); Nitrogen, total [as N] (22); Nitrogen, Kjeldahl, total [as N] (8); Nitrite + Nitrate total [as N] (8); Flow rate (6) 5

Compliance Pressure Npdes Violations 2025-12-31

APPLEGATE MEADOWS SUBDIVISION | Subdivision | MT / Lewis and Clark

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

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Copper, total [as Cu] (5); Chemical Oxygen Demand [COD] (1) 5

Compliance Pressure Npdes Violations 2025-12-31

BOUMA POST YARDS | Private Utility | MT / Lewis and Clark

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

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Nitrogen, ammonia total [as N] (9); Conductivity (9); Monitoring well level from the surface (9); Nitrogen, Kjeldahl, total [as N] (9); Nitrite + Nitrate total [as N] (9) 5

Compliance Pressure Npdes Violations 2025-12-31

GLACIER POINT SUBDIVISION | Subdivision | MT / Lewis and Clark

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

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Nitrogen, total [as N] (15); Solids, total dissolved [TDS] (12); Nitrite + Nitrate total [as N] (12); Nitrogen, Kjeldahl, total [as N] (10); Nitrogen, ammonia total [as N] (8) 5

Compliance Pressure Npdes Violations 2025-12-31

HAYFIELD ESTATES II LOT 25 JAMOR SUBDIVISION WASTEWATER TREATMENT SYSTEM | Subdivision | MT / Lewis and Clark

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

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Nitrogen, total [as N] (4); Flow rate (2) 5

Compliance Pressure Npdes Violations 2025-12-31

HERON CREEK SUBDIVISION | Subdivision | MT / Lewis and Clark

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

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Nitrogen, total [as N] (7) 5

Compliance Pressure Npdes Violations 2025-09-30

BRYANT NO 3 SUBDIVISION COMMUNITY WASTEWATER FACILITY | Subdivision | MT / Lewis and Clark

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

Select Brief Source Details

Solids, total suspended (2); pH (2); Chemical Oxygen Demand [COD] (2) 5

Compliance Pressure Npdes Violations 2025-09-30

THE BOEING COMPANY - BOEING HELENA AERONAUTICS MANUFACTURING FACILITY | Private Utility | MT / Lewis and Clark

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

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Nitrogen, total [as N] (22); Nitrogen, ammonia total [as N] (8); Nitrite + Nitrate total [as N] (8); Flow rate (8); Nitrogen, Kjeldahl, total [as N] (8) 5

Compliance Pressure Npdes Violations 2025-07-31

HELLER DEVELOPMENT - 46 DEGREES NORTH SUBDIVISION | Subdivision | MT / Lewis and Clark

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

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Turbidity (3); Flow rate (2); Pass/Fail Static Renewal 96Hr Acute Pimephales Promelas (1); Oil and grease, hexane extr method (1); Raw materials processed (1) 5

Compliance Pressure Npdes Violations 2025-07-31

PALEO SEARCH INC - SUCTION DREDGE PROJECT | Private Company | MT / Lewis and Clark

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

Select Brief Source Details

Nitrogen, total [as N] (3) 5

Compliance Pressure Npdes Violations 2025-06-30

GRAND VALLEY ESTATES | Private Utility | MT / Lewis and Clark

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

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Nitrite + Nitrate total [as N] (10); Nitrogen, total [as N] (10); Water level at sample collection time (7); Chloride [as Cl] (7); Conductivity (5) 5

Compliance Pressure Npdes Violations 2025-03-31

BROADWATER ESTATES MAJOR SUBDIVISION | Subdivision | MT / Lewis and Clark

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

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Nitrogen, total [as N] (5); Nitrite + Nitrate total [as N] (3); Water level at sample collection time (2); Nitrogen, Kjeldahl, total [as N] (1); E. coli, MTEC-MF (1) 5

Compliance Pressure Npdes Violations 2025-03-31

FOX CROSSING SUBDIVISION | Subdivision | MT / Lewis and Clark

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

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Nitrogen, total [as N] (5); Nitrite + Nitrate total [as N] (4); Water level at sample collection time (2); Nitrogen, Kjeldahl, total [as N] (2); E. coli, MTEC-MF (2) 5

Compliance Pressure Npdes Violations 2024-12-31

GRASSLAND SUBDIVISION | Subdivision | MT / Lewis and Clark

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

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Solids, total suspended (3); pH (3); Chemical Oxygen Demand [COD] (3) 5

Compliance Pressure Npdes Violations 2024-09-30

UPS - HELENA | Private Utility | MT / Lewis and Clark

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

Select Brief Source Details

Nitrogen, Kjeldahl, total [as N] (8); Nitrite + Nitrate total [as N] (8); E. coli, MTEC-MF (6); Nitrogen, ammonia total [as N] (6); Nitrogen, total [as N] (4) 5

Compliance Pressure Npdes Violations 2024-06-30

BRIDGE CREEK ESTATES | Private Utility | MT / Lewis and Clark

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

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Phosphorus, total [as P] (4); Flow rate (2); E. coli, colony forming units [CFU] (2); Nitrogen, Kjeldahl, total [as N] (1); Nitrite + Nitrate total [as N] (1) 5

Compliance Pressure Npdes Violations 2024-06-30

GOLDEN ESTATES III | Private Utility | MT / Lewis and Clark

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

Select Brief Source Details

max 1; avg 0.0 4

Reporting Weakness Dmr Pattern 2026-02-28

CITY OF HELENA WWTP | Municipality | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2026-02-28

EAST HELENA WWTF | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 15; avg 0.9 4

Reporting Weakness Dmr Pattern 2026-01-31

TIMBER WORKS ESTATES SUBDIVISION | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 31; avg 20.0 4

Reporting Weakness Dmr Pattern 2025-12-31

APPLEGATE MEADOWS SUBDIVISION | Subdivision | MT / Lewis and Clark

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

BOUMA POST YARDS | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 31; avg 10.2 4

Reporting Weakness Dmr Pattern 2025-12-31

GLACIER POINT SUBDIVISION | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 443; avg 177.5 4

Reporting Weakness Dmr Pattern 2025-12-31

HAYFIELD ESTATES II LOT 25 JAMOR SUBDIVISION WASTEWATER TREATMENT SYSTEM | Subdivision | MT / Lewis and Clark

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

HERON CREEK SUBDIVISION | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 8; avg 3.0 4

Reporting Weakness Dmr Pattern 2025-09-30

BRYANT NO 3 SUBDIVISION COMMUNITY WASTEWATER FACILITY | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-09-30

THE BOEING COMPANY - BOEING HELENA AERONAUTICS MANUFACTURING FACILITY | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 51; avg 44.3 4

Reporting Weakness Dmr Pattern 2025-07-31

HELLER DEVELOPMENT - 46 DEGREES NORTH SUBDIVISION | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 48; avg 48.0 4

Reporting Weakness Dmr Pattern 2025-07-31

PALEO SEARCH INC - SUCTION DREDGE PROJECT | Private Company | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 2; avg 0.7 4

Reporting Weakness Dmr Pattern 2025-06-30

GRAND VALLEY ESTATES | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 31; avg 30.1 4

Reporting Weakness Dmr Pattern 2025-03-31

BROADWATER ESTATES MAJOR SUBDIVISION | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 0; avg 0.0 4

Reporting Weakness Dmr Pattern 2025-03-31

FOX CROSSING SUBDIVISION | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 31; avg 29.5 4

Reporting Weakness Dmr Pattern 2024-12-31

GRASSLAND SUBDIVISION | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 94; avg 94.0 4

Reporting Weakness Dmr Pattern 2024-09-30

UPS - HELENA | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 31; avg 31.0 4

Reporting Weakness Dmr Pattern 2024-06-30

BRIDGE CREEK ESTATES | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

max 31; avg 31.0 4

Reporting Weakness Dmr Pattern 2024-06-30

GOLDEN ESTATES III | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 6; Phosphorus, total [as P] (1); Lead, total [as Pb] (1); Zinc, total [as Zn] (1); Aluminum, total [as Al] (1); Iron, total [as Fe] (1) 3

Reporting Weakness Dmr Pattern 2026-03-28

AMERICAN CHEMET CORPORATION | Private Company | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 2; Chemical Oxygen Demand [COD] (1); Solids, total suspended (1) 3

Reporting Weakness Dmr Pattern 2026-03-28

BFS GROUP LLC – HELENA MT TRUSS/PANEL | Private Company | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 3; Chemical Oxygen Demand [COD] (1); pH (1); Solids, total suspended (1) 3

Reporting Weakness Dmr Pattern 2026-03-28

BNSF - HELENA RAIL YARD | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

rows 3; Chemical Oxygen Demand [COD] (1); pH (1); Solids, total suspended (1); days late max 8; avg 8.0 3

Reporting Weakness Dmr Pattern 2026-03-28

CAPITAL CLAY | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 6; Chemical Oxygen Demand [COD] (1); Lead, total [as Pb] (1); Zinc, total recoverable (1); Aluminum, total [as Al] (1); Copper, total recoverable (1) 3

Reporting Weakness Dmr Pattern 2026-03-28

CUSTOM RECYCLERS, INC. | Private Company | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 6; Solids, total suspended (3); Nitrite + Nitrate total [as N] (3) 3

Reporting Weakness Dmr Pattern 2026-03-28

DEVIL'S ELBOW QUARRY | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 21; Nitrogen, total [as N] (4); Nitrite + Nitrate total [as N] (4); Nitrogen, total Kjeldahl (2); Flow rate (2); Nitrogen, ammonia total [as N] (2) 3

Reporting Weakness Dmr Pattern 2026-03-28

FOX CROSSING III SUBDIVISION | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 3; Lead, total [as Pb] (1); Zinc, total [as Zn] (1); Aluminum, total [as Al] (1) 3

Reporting Weakness Dmr Pattern 2026-03-28

GATES OF THE MOUNTAINS INC | Private Company | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 30; Chlorine, total residual (10); pH (10); Flow rate (10) 3

Reporting Weakness Dmr Pattern 2026-03-28

GREEN MEADOW COUNTRY CLUB | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 41; Nitrogen, total [as N] (6); Nitrite + Nitrate total [as N] (6); Nitrogen, Kjeldahl, total [as N] (5); E. coli, MTEC-MF (4); Conductivity (4) 3

Reporting Weakness Dmr Pattern 2026-03-28

GREY ROCK MAJOR SUBDIVISION | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 3; Chemical Oxygen Demand [COD] (1); pH (1); Solids, total suspended (1) 3

Reporting Weakness Dmr Pattern 2026-03-28

HELENA BIN | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 6; Chemical Oxygen Demand [COD] (2); pH (2); Solids, total suspended (2) 3

Reporting Weakness Dmr Pattern 2026-03-28

LEWIS AND CLARK COUNTY LANDFILL | County | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 7; Chemical Oxygen Demand [COD] (1); pH (1); Zinc, total recoverable (1); Aluminum, total recoverable (1); Lead, total recoverable (1) 3

Reporting Weakness Dmr Pattern 2026-03-28

PACIFIC STEEL AND RECYCLING - HELENA | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

Select Brief Source Details

rows 26; Nitrogen, total [as N] (4); Nitrogen, ammonia total [as N] (3); Nitrogen, Kjeldahl, total [as N] (3); Nitrite + Nitrate total [as N] (3); Specific conductance (2) 3

Reporting Weakness Dmr Pattern 2026-03-28

SMITH SUBDIVISIONS PUBLIC WASTEWATER TREATMENT SYSTEM | Subdivision | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 121; Zinc, total recoverable (15); Cadmium, total recoverable (15); Copper, total recoverable (15); Arsenic, total recoverable (15); Solids, total suspended (15) 3

Reporting Weakness Dmr Pattern 2026-03-28

TENMILE WATER TREATMENT PLANT | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 2; Solids, total suspended (2) 3

Reporting Weakness Dmr Pattern 2026-03-28

TRI COUNTY DISPOSAL - VALLEYVIEW LANDFILL | County | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 9; Aluminum, total [as Al] (3); Solids, total suspended (3); Nitrite + Nitrate total [as N] (3) 3

Reporting Weakness Dmr Pattern 2026-03-28

VALLEY DRIVE PIT | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 8; Solids, total suspended (4); Nitrite + Nitrate total [as N] (4) 3

Reporting Weakness Dmr Pattern 2026-03-28

VALLEY SAND & GRAVEL LLC - NORTH HILLS PIT | Private Company | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 110; BOD, 5-day, 20 deg. C (25); Solids, total suspended (20); Flow rate (15); E. coli, MTEC-MF (10); Chlorine, total residual (10) 3

Reporting Weakness Dmr Pattern 2026-03-28

WASTEWATER TREATMENT FACILITY | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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rows 102; BOD, 5-day, 20 deg. C (24); Solids, total suspended (24); pH (8); Temperature, water deg. fahrenheit (8); Flow rate (8) 3

Reporting Weakness Dmr Pattern 2026-03-28

WOLF CREEK WWTF | Private Utility | MT / Lewis and Clark

Review reporting workflow, SCADA telemetry, and operator coverage.

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303(D) Listed 2

Local Intelligence Site Notes 2026-03-28

46TH PARALLEL NORTHSIDE | Private Utility | MT / Lewis and Clark