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Clean Water Act discharge permit · NPDES COG502054

RED ROCK PIT, Routt County, CO: NPDES COG502054 discharge permit, effluent exceedances, inspections, penalties

RED ROCK PIT, held by Peabody Sage Creek Mining LLC, holds NPDES permit COG502054, which discharges to Dry Creek - Yampa River. EPA’s file records it issued May 3, 2017 and expiring December 31, 2021. 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 filedRED ROCK PIT
Permittee as filedPeabody Sage Creek Mining LLC
NPDES IDCOG502054
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
IssuedMay 3, 2017
Expiration dateDecember 31, 2021
AddressRoutt County, CO
Receiving waterDry Creek - Yampa River
SubwatershedHeadwaters Dry Creek (HUC 140500011102)

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
Iron, total recoverable120

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG502054.

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 COG502054.

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 COG502054 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 NPDES permit COG502054 for RED ROCK PIT in Routt County, CO, held by Peabody Sage Creek Mining LLC and discharging to Dry Creek - Yampa River in the Headwaters Dry Creek subwatershed (HUC 140500011102). The permit is administratively continued as a Minor discharger, with 1 pollutant on file, 1 under a numeric limit, 1 with a violation of any kind, and 0 with an effluent exceedance.