Velarion Records

Clean Water Act discharge permit · NPDES COG081491

THORNTON TREATMENT FACILITY PFAS, Thornton, CO: NPDES COG081491 discharge permit, effluent exceedances, inspections, penalties

THORNTON TREATMENT FACILITY PFAS, held by Garney Companies Inc, holds NPDES permit COG081491, which discharges to Unnamed Tributary - South Platte River. EPA’s file records it issued April 13, 2026 and expiring May 31, 2028. 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 filedTHORNTON TREATMENT FACILITY PFAS
Permittee as filedGarney Companies Inc
NPDES IDCOG081491
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedApril 13, 2026
Expiration dateMay 31, 2028
AddressThornton, CO 80229
Receiving waterUnnamed tributary - South Platte River
SubwatershedCity of Thornton-South Platte River (HUC 101900030402)
Other EPA IDs (FRS)RCRA handler COR000251496

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

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
pH260
Solids, total suspended260
Arsenic, total recoverable260
Iron, total recoverable260
Iron, dissolved [as Fe]260
Manganese, dissolved [as Mn]260
Selenium, potentially dissolvd260
Uranium, total260
Flow, in conduit or thru treatment plant260
Phosphorus, total [as P]130
Oil and grease130
Flow, total130
Duration of discharge130
Oil and grease visual130

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG081491.

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 COG081491.

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

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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 COG081491 there.

Nearby on the register

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

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