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Clean Water Act discharge permit · NPDES COG588134

GARDNER WASTEWATER TREATMENT FACILITY, Gardner, CO: NPDES COG588134 discharge permit, effluent exceedances, inspections, penalties

GARDNER WASTEWATER TREATMENT FACILITY, held by Huerfano County Governments, holds NPDES permit COG588134, which discharges to Huerfano River. EPA’s file records it issued November 20, 2014 and expiring May 31, 2018. 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 filedGARDNER WASTEWATER TREATMENT FACILITY
Permittee as filedHuerfano County Governments
NPDES IDCOG588134
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
IssuedNovember 20, 2014
Expiration dateMay 31, 2018
AddressGardner, CO 81040
Receiving waterHuerfano River
SubwatershedWilliams Creek-Huerfano River (HUC 110200060205)

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
BOD, 5-day, 20 deg. C68745March 31, 2026183% over the limit
BOD, 5-day, percent removal12417February 28, 2025184% over the limit
Solids, total suspended22715March 31, 202371% over the limit
E. coli2175January 31, 2023297% over the limit
pH2164May 31, 2017
Flow, in conduit or thru treatment plant4251December 31, 20231% over the limit
Plant capacity fact. percent of capacity2140
Nitrogen, ammonia total [as N]2120
Selenium, potentially dissolvd280
Oil and grease170
Oil and grease visual170
Chlorine, total residual160

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

DateWhat EPA recordedAgency
May 31, 2024Monitoring Violations - Analysis not ConductedST6
May 31, 2024Management Practice Violations - Improper Operation and MaintenanceST6
May 31, 2024Monitoring Violations - Invalid/Unrepresentative SampleST6
May 31, 2024Monitoring Violations - Improper Analysis or Lab ErrorST6

Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, COG588134.

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  • 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 COG588134 there.

Nearby on the register

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