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Clean Water Act discharge permit · NPDES COR428672

SKI RANCHES WATERLINE IMPROVEMENTS, Mountain Village, CO: NPDES COR428672 discharge permit, effluent exceedances, inspections, penalties

SKI RANCHES WATERLINE IMPROVEMENTS, held by Hank Williams, Inc. dba Williams Construction, holds NPDES permit COR428672. EPA’s file records it issued September 30, 2025 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 SKI RANCHES WATERLINE IMPROVEMENTS: its NPDES ID, its permit type and status, its dates, its address in Mountain Village, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR428672.

Identity

Facility as filedSKI RANCHES WATERLINE IMPROVEMENTS
Permittee as filedHank Williams, Inc. dba Williams Construction
NPDES IDCOR428672
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedSeptember 30, 2025
Expiration dateMarch 31, 2029
AddressMountain Village, CO 81435
SubwatershedHeadwaters San Miguel River (HUC 140300030106)

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 COR428672.

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 COR428672.

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 COR428672 there.

Nearby on the register

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

What this page shows

SKI RANCHES WATERLINE IMPROVEMENTS, a general permit coverage issued in Mountain Village, San Miguel County, Colorado, is one of 40 general permit coverages on EPA's NPDES register in San Miguel County, this one included. Of those 40 coverages, 77.5% carry an earlier issue date than this permit, and 55.0% have a violation on file. Within the Headwaters San Miguel River subwatershed, the permit is one of 23 NPDES permits, this one included, and it records no pollutants under a numeric limit and no pollutants with an effluent exceedance.