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Clean Water Act discharge permit · NPDES COR426271

OFF SITE IMPROVEMENTS AT AERO 70, Aurora, CO: NPDES COR426271 discharge permit, effluent exceedances, inspections, penalties

OFF SITE IMPROVEMENTS AT AERO 70, held by RG Brinkmann Company (DBA Brinkmann Constructors), holds NPDES permit COR426271. EPA’s file records it issued January 8, 2025 and expiring March 31, 2029. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for OFF SITE IMPROVEMENTS AT AERO 70: 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 COR426271.

Identity

Facility as filedOFF SITE IMPROVEMENTS AT AERO 70
Permittee as filedRG Brinkmann Company (DBA Brinkmann Constructors)
NPDES IDCOR426271
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJanuary 8, 2025
Expiration dateMarch 31, 2029
AddressAurora, CO 80019
SubwatershedFirst Creek (HUC 101900030401)

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 COR426271.

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 COR426271.

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 COR426271 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

This public-records page covers Clean Water Act NPDES permit COR426271, held by RG Brinkmann Company (DBA Brinkmann Constructors) for OFF SITE IMPROVEMENTS AT AERO 70 in Aurora, CO. The permit is listed as Effective, a Minor discharger class, with 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it sits in the First Creek watershed (HUC 101900030401).