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Clean Water Act discharge permit · NPDES COR426853

PT 22577 - MONTCLAIR PROJECT 1 LEAD HOLLY NORTH OF 8TH, Denver, CO: NPDES COR426853 discharge permit, effluent exceedances, inspections, penalties

PT 22577 - MONTCLAIR PROJECT 1 LEAD HOLLY NORTH OF 8TH, held by Denver Water, holds NPDES permit COR426853. EPA’s file records it issued March 6, 2025 and expiring March 31, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for PT 22577 - MONTCLAIR PROJECT 1 LEAD HOLLY NORTH OF 8TH: its NPDES ID, its permit type and status, its dates, its address in Denver, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426853.

Identity

Facility as filedPT 22577 - MONTCLAIR PROJECT 1 LEAD HOLLY NORTH OF 8TH
Permittee as filedDenver Water
NPDES IDCOR426853
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 6, 2025
Expiration dateMarch 31, 2029
AddressDenver, CO 80220
SubwatershedCherry Creek-South Platte River (HUC 101900030304)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR426853.

Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.

Inspections, violations and enforcement

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR426853.

Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.

Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.

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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID COR426853 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

What this page shows

The permit, filed as PT 22577 - MONTCLAIR PROJECT 1 LEAD HOLLY NORTH OF 8TH, is one of 360 general permit coverages in Arapahoe County, and the register lists 10.8% of those coverages as carrying a violation on file. It sits among 219 NPDES permits in the Cherry Creek-South Platte River subwatershed, this one included, and 44.7% of the 360 Arapahoe County coverages were issued earlier than it. The register records no pollutants under a numeric limit and no pollutants with an effluent exceedance for this permit.