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Clean Water Act discharge permit · NPDES COR10F0A2

JOHN MARTIN DREDGING, Hasty, CO: NPDES COR10F0A2 discharge permit, effluent exceedances, inspections, penalties

JOHN MARTIN DREDGING, held by Ahtna Brennan JV, holds NPDES permit COR10F0A2. EPA’s file records it issued September 6, 2023 and expiring February 16, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

What the register holds for JOHN MARTIN DREDGING: its NPDES ID, its permit type and status, its dates, its address in Hasty, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR10F0A2.

Identity

Facility as filedJOHN MARTIN DREDGING
Permittee as filedAhtna Brennan JV
NPDES IDCOR10F0A2
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
ProgramConstruction stormwater
IssuedSeptember 6, 2023
Expiration dateFebruary 16, 2027
Issuing agencyU.S. EPA
AddressHasty, CO 81044
SubwatershedJohn Martin Reservoir (HUC 110200090704)

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 COR10F0A2.

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 COR10F0A2.

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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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 COR10F0A2 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.

What this page shows

JOHN MARTIN DREDGING, a Storm Water Construction permit in Hasty, Colorado, is one of 1 such permit on the register in Bent County, the only one of its kind there, and it sits among 8 NPDES permits in the John Martin Reservoir subwatershed. The permit records zero pollutants with a numeric limit and zero pollutants with an effluent exceedance.