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Clean Water Act discharge permit · NPDES COR419702

WELD RE5J HS TO MS CONVERSION, Johnstown, CO: NPDES COR419702 discharge permit, effluent exceedances, inspections, penalties

WELD RE5J HS TO MS CONVERSION, held by AP Mountain States, LLC, holds NPDES permit COR419702. EPA’s file records it issued March 8, 2023 and expiring March 31, 2024. 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 WELD RE5J HS TO MS CONVERSION: its NPDES ID, its permit type and status, its dates, its address in Johnstown, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR419702.

Identity

Facility as filedWELD RE5J HS TO MS CONVERSION
Permittee as filedAP Mountain States, LLC
NPDES IDCOR419702
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
IssuedMarch 8, 2023
Expiration dateMarch 31, 2024
Issuing agencySTA
AddressJohnstown, CO 80534
Subwatershed101900060606 (HUC 101900060606)

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 COR419702.

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 COR419702.

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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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 COR419702 there.

Nearby on the register

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

What this page shows

The WELD RE5J HS TO MS CONVERSION permit, held by AP Mountain States, LLC in Johnstown, Colorado, is one of 596 general permit coverages in Weld County, and 21.3% of those coverages have a violation on file. Among the 595 general permit coverages in Weld County, this one included, 28.1% carry an earlier issue date than this permit, and it sits among 51 NPDES permits in the 101900060606 subwatershed. It has no pollutants under a numeric limit and no pollutants with an effluent exceedance.