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Clean Water Act discharge permit · NPDES COR427738

I-70 AEROTROPOLIS PARKWAY INTERCHANGE, Aurora, CO: NPDES COR427738 discharge permit, effluent exceedances, inspections, penalties

I-70 AEROTROPOLIS PARKWAY INTERCHANGE, held by Ames Construction, Inc., holds NPDES permit COR427738. EPA’s file records it issued June 3, 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 I-70 AEROTROPOLIS PARKWAY INTERCHANGE: 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 COR427738.

Identity

Facility as filedI-70 AEROTROPOLIS PARKWAY INTERCHANGE
Permittee as filedAmes Construction, Inc.
NPDES IDCOR427738
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 3, 2025
Expiration dateMarch 31, 2029
AddressAurora, CO 80018
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 COR427738.

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 COR427738.

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 COR427738 there.

Nearby on the register

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

What this page shows

The I-70 AEROTROPOLIS PARKWAY INTERCHANGE permit, held by Ames Construction, Inc. in Aurora, is one of 463 general permit coverages in Adams County, and 13.0% of those coverages have a violation on file. It sits among 131 NPDES permits in the First Creek subwatershed, and it has no pollutants under a numeric limit and no effluent exceedances on record.