EXPAND | Target Account Brief

NPDES facility

1401 WYNKOOP PARKING GARAGE

NPDES ID COG318069 | Denver, Denver, CO

Owner: 1401 WYNKOOP PARKING GARAGE
Primary Contact: 1401 WYNKOOP PARKING GARAGE
Phone: Not listed
Email: Not listed
Website / Source: https://echo.epa.gov/detailed-facility-report?fid=COG318069
Address: 1400 WEWATTA ST, Denver, CO, 80202
Recommended Work: Lift station rehab
Urgency: Normal
Region: Unassigned
County Fit: Great Target
County Focus: Denver, CO
Closest Base: Grand Junction, CO
Base Distance: 202 mi
Default PM: Not mapped
Score: 148
Recent issues: 14 in last 2 years
Most recent: 2026-01-31
Days late: max 8; avg 0.9
DMR pattern: Chloroform (12); Trichloroethylene (12); Tetrachloroethylene (12); Zinc, potentially dissolved (12); Copper, potentially dissolved (12)
Permit status: Not listed
Impaired waters: 303(D) Listed
DMR rows: 756
FY2026 DMR: 756

Summary

Selenium, potentially dissolvd (5); Flow, in conduit or thru treatment plant (4); Flow, total (2); Chloroform (1); Uranium, total (1)

PEAK Detail

Repeated NPDES issues (14 in last 2 years); evaluate lift stations, controls, pumping reliability, and reporting workflow.

County Fit

Rating: Great Target
Why: Inside the active county. Aligned to the active region. Closest base Grand Junction, CO (202 mi)
Closest Base: Grand Junction, CO | 202 mi

Facility Profile

Facility type not listed

Partner Network

County only

Engineers: ABM Engineering Services; Burns and McDonnell Engineering Co Inc; E-21 Engineering Inc
Contractors: ASCO Construction; Advanced Concrete Lifting; All Demolition Excavating Company

Recent Issues

2026-01-31 | Selenium, potentially dissolvd | DMR, Limited - Numeric Violation | Days late 0
2025-12-31 | Selenium, potentially dissolvd | DMR, Limited - Numeric Violation | Days late 8
2025-11-30 | Selenium, potentially dissolvd | DMR, Limited - Numeric Violation | Days late 0
2025-10-31 | Selenium, potentially dissolvd | DMR, Limited - Numeric Violation | Days late 0
2025-09-30 | Selenium, potentially dissolvd | DMR, Limited - Numeric Violation | Days late 0
2025-02-28 | Flow, total | DMR, Monitor Only - Overdue | Days late 0
2025-02-28 | Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | Days late 0
2025-02-28 | Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | Days late 0
2025-02-28 | Uranium, total | DMR, Limited - Numeric Violation | Days late 0
2025-01-31 | Flow, total | DMR, Monitor Only - Overdue | Days late 0
2025-01-31 | Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | Days late 0
2025-01-31 | Flow, in conduit or thru treatment plant | DMR, Limited - Overdue | Days late 0
2025-01-31 | Manganese, dissolved [as Mn] | DMR, Limited - Numeric Violation | Days late 0
2024-11-30 | Chloroform | DMR, Limited - Numeric Violation | Days late 5
2023-10-31 | Perfluoropentanoic acid (PFPeA) | DMR, Monitor Only - Overdue | Days late 38
2023-04-30 | Trichloroethylene | DMR, Monitor Only - Overdue | Days late 93
2023-04-30 | Trichloroethylene | DMR, Monitor Only - Overdue | Days late 93
2023-04-30 | Manganese, dissolved [as Mn] | DMR, Monitor Only - Overdue | Days late 3
2023-04-30 | Chloroform | DMR, Monitor Only - Overdue | Days late 93
2023-04-30 | Chloroform | DMR, Monitor Only - Overdue | Days late 93

Supporting Notes

Exceedence summary: max 416.0%; avg 65.6%

Source Evidence

Name: EPA ECHO NPDES
Type: Regulatory Dataset
Date: 2026-01-31
Confidence: High
Source Key: COG318069
Selenium, potentially dissolvd (5); Flow, in conduit or thru treatment plant (4); Flow, total (2); Chloroform (1); Uranium, total (1)
Source Link: https://echo.epa.gov/detailed-facility-report?fid=COG318069