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Clean Water Act discharge permit · NPDES COR424098

11TH AVE EXTENSION, Denver, CO: NPDES COR424098 discharge permit, effluent exceedances, inspections, penalties

11TH AVE EXTENSION, held by Sheridan Housing LLC, holds NPDES permit COR424098. EPA’s file records it issued June 25, 2024 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 11TH AVE EXTENSION: 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 COR424098.

Identity

Facility as filed11TH AVE EXTENSION
Permittee as filedSheridan Housing LLC
NPDES IDCOR424098
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 25, 2024
Expiration dateMarch 31, 2029
AddressDenver, CO 80204
Subwatershed101900020904 (HUC 101900020904)

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 COR424098.

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 COR424098.

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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COR424098.

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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 COR424098 there.

Nearby on the register

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

What this page shows

11TH AVE EXTENSION belongs to a Denver County group of 301 general-permit authorizations, and 19.6% of that group has a violation logged. The 101900020904 subwatershed holds 192 NPDES permits, and 37.9% of the 301 Denver County authorizations, counting this permit, were issued before this permit.