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Clean Water Act discharge permit · NPDES COR426571

HORIZON UPTOWN SUBDIVISION FILING NO. 8, Aurora, CO: NPDES COR426571 discharge permit, effluent exceedances, inspections, penalties

HORIZON UPTOWN SUBDIVISION FILING NO. 8, held by Horizon Uptown (Denver) SPV, LLC, holds NPDES permit COR426571. EPA’s file records it issued February 11, 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 HORIZON UPTOWN SUBDIVISION FILING NO. 8: its NPDES ID, its permit type and status, its dates, its address in Aurora, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR426571.

Identity

Facility as filedHORIZON UPTOWN SUBDIVISION FILING NO. 8
Permittee as filedHorizon Uptown (Denver) SPV, LLC
NPDES IDCOR426571
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedFebruary 11, 2025
Expiration dateMarch 31, 2029
Issuing agencySTA
AddressAurora, CO 80011
SubwatershedSand Creek (HUC 101900030204)

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 COR426571.

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 COR426571.

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 COR426571 there.

Nearby on the register

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

What this page shows

Of the 28 general permit coverages in Aurora, 0.0% have a violation on file. HORIZON UPTOWN SUBDIVISION FILING NO. 8 is one of the 28 general permit coverages on EPA's NPDES register in Aurora, this one included. Of all 28 general permit coverages in Aurora, this one included, 21.4% were issued earlier than this permit.