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Clean Water Act discharge permit · NPDES COR431531

MAIN STREET REVITALIZATION STM M650-002 (25328), Hudson, CO: NPDES COR431531 discharge permit, effluent exceedances, inspections, penalties

MAIN STREET REVITALIZATION STM M650-002 (25328), held by AB Underground LLC, holds NPDES permit COR431531. EPA’s file records it issued July 30, 2026 and expiring March 31, 2029. 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 MAIN STREET REVITALIZATION STM M650-002 (25328): its NPDES ID, its permit type and status, its dates, its address in Hudson, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR431531.

Identity

Facility as filedMAIN STREET REVITALIZATION STM M650-002 (25328)
Permittee as filedAB Underground LLC
NPDES IDCOR431531
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 30, 2026
Expiration dateMarch 31, 2029
Issuing agencySTA
AddressHudson, CO 80642
SubwatershedSequine Gulch-Beebe Seep Canal (HUC 101900030503)

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 COR431531.

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 COR431531.

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.

Watch this permit

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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 COR431531 there.

Nearby on the register

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

What this page shows

The MAIN STREET REVITALIZATION STM M650-002 (25328) permit, held by AB Underground LLC, is one of 10 NPDES permits in the Sequine Gulch-Beebe Seep Canal subwatershed, and it is also the only general permit coverage on the register in Hudson, Colorado. The permit records no pollutants under a numeric limit and no pollutants with an effluent exceedance.