Velarion Records
Follow this permit Velarion Records emails you this permit’s record, cited to the public filing, and tells you when the register changes it. Free.
We’ll email you a link to confirm. The continuous daily watch on every change is the paid alert. Unsubscribe any time.
Also free: The Pay Desk, the weekly executive pay briefing.

Clean Water Act discharge permit · NPDES COR430293

W. UNION AVE PAVEMENT REPLACEMENT, Englewood, CO: NPDES COR430293 discharge permit, effluent exceedances, inspections, penalties

W. UNION AVE PAVEMENT REPLACEMENT, held by ASPHALT SPECIALTIES CO., INC., holds NPDES permit COR430293. EPA’s file records it issued March 19, 2026 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 W. UNION AVE PAVEMENT REPLACEMENT: its NPDES ID, its permit type and status, its dates, its address in Englewood, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR430293.

Identity

Facility as filedW. UNION AVE PAVEMENT REPLACEMENT
Permittee as filedASPHALT SPECIALTIES CO., INC.
NPDES IDCOR430293
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedMarch 19, 2026
Expiration dateMarch 31, 2029
AddressEnglewood, CO 80110
Receiving water impaired303(D) Listed
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 COR430293.

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 COR430293.

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, COR430293.

Start the watch

How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

How we handle your data → Privacy

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 COR430293 there.

Nearby on the register

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

What this page shows

Among the 360 general permit coverages in Arapahoe County, 10.8% carry a violation on file. W. UNION AVE PAVEMENT REPLACEMENT is among 192 NPDES permits in the 101900020904 subwatershed. Counting this permit, 83.1% of all 360 Arapahoe County coverages were issued earlier.