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Clean Water Act discharge permit · NPDES COR419853

AC MITIGATION NATURITA CREEK PIPELINE, Naturita, CO: NPDES COR419853 discharge permit, effluent exceedances, inspections, penalties

AC MITIGATION NATURITA CREEK PIPELINE, held by Black Hills Energy, holds NPDES permit COR419853. EPA’s file records it issued April 6, 2023 and expiring March 31, 2024. 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 AC MITIGATION NATURITA CREEK PIPELINE: its NPDES ID, its permit type and status, its dates, its address in Naturita, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR419853.

Identity

Facility as filedAC MITIGATION NATURITA CREEK PIPELINE
Permittee as filedBlack Hills Energy
NPDES IDCOR419853
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
IssuedApril 6, 2023
Expiration dateMarch 31, 2024
Issuing agencySTA
AddressNaturita, CO 81422
SubwatershedCottonwood Creek (HUC 140300030701)

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 COR419853.

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 COR419853.

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 COR419853 there.

Nearby on the register

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

What this page shows

The AC MITIGATION NATURITA CREEK PIPELINE is one of 1 NPDES permits in the Cottonwood Creek subwatershed, and it sits among 137 general permit coverages in Montrose County, where 6.6% carry a violation on file. The permit records no pollutant under a numeric limit and no effluent exceedance, both counted as 0.