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Clean Water Act discharge permit · NPDES COG608005

LAKE CATAMOUNT WWTF, Steamboat Springs, CO: NPDES COG608005 discharge permit, effluent exceedances, inspections, penalties

LAKE CATAMOUNT WWTF, held by Catamount Metro District, holds NPDES permit COG608005, which discharges to Yampa River. EPA’s file records it issued January 14, 2021 and expiring May 31, 2025. 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 LAKE CATAMOUNT WWTF: its NPDES ID, its permit type and status, its dates, its address in Steamboat Springs, Colorado, its receiving water, and 14 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG608005.

Identity

Facility as filedLAKE CATAMOUNT WWTF
Permittee as filedCatamount Metro District
NPDES IDCOG608005
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
IssuedJanuary 14, 2021
Expiration dateMay 31, 2025
AddressSteamboat Springs, CO 80487
Receiving waterYampa River
SubwatershedLake Catamount-Yampa River (HUC 140500010406)

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
pH200
Solids, total suspended200
Arsenic, total recoverable200
Iron, total recoverable200
Iron, dissolved [as Fe]200
Manganese, dissolved [as Mn]200
Selenium, potentially dissolvd200
Uranium, total200
Flow, in conduit or thru treatment plant200
Solids, total dissolved200
Oil and grease100
Flow, total100
Duration of discharge100
Oil and grease visual100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG608005.

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 COG608005.

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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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 COG608005 there.

Nearby on the register

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

What this page shows

This public-records page covers the Clean Water Act discharge permit NPDES COG608005 for LAKE CATAMOUNT WWTF in Steamboat Springs, Colorado, held by Catamount Metro District and discharging to the Yampa River. The register lists 14 pollutants under a numeric limit and 0 pollutants with an effluent exceedance.