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Clean Water Act discharge permit · NPDES COR427840

US6D F-06-A ELK CREEK (24493), New Castle, CO: NPDES COR427840 discharge permit, effluent exceedances, inspections, penalties

US6D F-06-A ELK CREEK (24493), held by Ralph L. Wadsworth Construction, holds NPDES permit COR427840. EPA’s file records it issued June 13, 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 US6D F-06-A ELK CREEK (24493): its NPDES ID, its permit type and status, its dates, its address in New Castle, Colorado. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COR427840.

Identity

Facility as filedUS6D F-06-A ELK CREEK (24493)
Permittee as filedRalph L. Wadsworth Construction
NPDES IDCOR427840
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 13, 2025
Expiration dateMarch 31, 2029
AddressNew Castle, CO 81647
Receiving water impaired303(D) Listed
SubwatershedLower Elk Creek (HUC 140100050206)

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 COR427840.

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 COR427840.

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 COR427840 there.

Nearby on the register

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

What this page shows

The US6D F-06-A ELK CREEK (24493) permit ranks among the 122 general permit coverages in Garfield County, with 73.0% of those coverages carrying an earlier issue date than this one. Of the 123 general permit coverages in Garfield County, 46.3% have a violation on file, and this permit has none of the records for pollutants under a numeric limit or pollutants with an effluent exceedance. The permit is one of 4 NPDES permits in the Lower Elk Creek subwatershed.