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Clean Water Act discharge permit · NPDES COR901456

SERCK RADIATOR MANUFACTURING, Denver, CO: NPDES COR901456 discharge permit, effluent exceedances, inspections, penalties

SERCK RADIATOR MANUFACTURING, held by Serck Services Inc, holds NPDES permit COR901456, which discharges to South Platte River. EPA’s file records it issued July 26, 2018 and expiring December 31, 2022. 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.

Identity

Facility as filedSERCK RADIATOR MANUFACTURING
Permittee as filedSerck Services Inc
NPDES IDCOR901456
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramIndustrial stormwater
IssuedJuly 26, 2018
Expiration dateDecember 31, 2022
AddressDenver, CO 80216
Receiving waterSouth Platte River
SubwatershedCherry Creek-South Platte River (HUC 101900030304)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
Cadmium, total recoverable030
Cadmium, potentially dissolvd030

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COR901456.

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 COR901456.

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, COR901456.

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How often?
  • One permit holder — $99/month
  • One watershed — $2,990/year
  • One state — $4,990/year
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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 COR901456 there.

Nearby on the register

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

What this page shows

Of the 140 storm water industrial permits in Adams County, counting this permit, 65.7% were issued before this permit. SERCK RADIATOR MANUFACTURING is counted among 219 NPDES permits in the Cherry Creek-South Platte River subwatershed (HUC 101900030304).