Clean Water Act discharge permit · NPDES COR901671

H&H TRANSFORMER CORPORATION, Commerce City, CO: NPDES COR901671 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

H&H TRANSFORMER CORPORATION holds NPDES permit COR901671, which discharges to South Platte River. EPA’s file records it issued August 28, 2024 and expiring June 30, 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 H&H TRANSFORMER CORPORATION: its NPDES ID, its permit type and status, its dates, its address in Commerce City, Colorado, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR901671.

Identity

Facility as filed	H&H TRANSFORMER CORPORATION
Permittee as filed	H&H TRANSFORMER CORPORATION
NPDES ID	COR901671
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Program	Industrial stormwater
Issued	August 28, 2024
Expiration date	June 30, 2029
Address	Commerce City, CO 80022
Receiving water	South Platte River
Subwatershed	City of Thornton-South Platte River (HUC 101900030402)
Other EPA IDs (FRS)	RCRA handler COR000263061

Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.

Effluent limits and exceedances

0Pollutants on file
0Under a numeric limit
0With a violation of any kind
0With an effluent exceedance

EPA’s limits and effluent violation files hold no pollutant row for NPDES COR901671.

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COR901671.

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, COR901671.

Start the watch

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 COR901671 there.

Nearby on the register

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

H&H TRANSFORMER CORPORATION's Storm Water Industrial coverage in Commerce City, Colorado, sits among 140 storm water industrial permits in Adams County, this one included, and 90.0% of those 140 were issued earlier than this permit's August 28, 2024 issue date. The permit also falls within a subwatershed holding 151 NPDES permits, this one included, and 40.7% of the Adams County storm water industrial permits carry a violation on file, a figure this permit does not share, since its count of violations is 0.