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Clean Water Act discharge permit · NPDES COG081110

I-25 SEGMENT 5, Mead, CO: NPDES COG081110 discharge permit, effluent exceedances, inspections, penalties

I-25 SEGMENT 5, held by Ralph L Wadsworth Construction Company LLC, holds NPDES permit COG081110, which discharges to North Creek And Little Thompson River. EPA’s file records it issued December 2, 2024 and expiring May 31, 2028. 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.

Identity

Facility as filedI-25 SEGMENT 5
Permittee as filedRalph L Wadsworth Construction Company LLC
NPDES IDCOG081110
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedDecember 2, 2024
Expiration dateMay 31, 2028
AddressMead, CO 80542
Receiving waterNorth Creek and Little Thompson River
SubwatershedLake Thomas (HUC 101900050708)
SIC4111 – Local And Suburban Transit

Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.

Effluent limits and exceedances

An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.

Pollutant or measureLimitsViolations, any kindEffluent exceedancesLatest exceedanceLargest exceedance, as filed
pH440
Solids, total suspended440
Flow, in conduit or thru treatment plant440
Oil and grease220
Flow, total220
Duration of discharge220
Oil and grease visual220

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG081110.

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 COG081110.

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 COG081110 there.

Nearby on the register

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

What this page shows

This public-records page covers NPDES permit COG081110 for I-25 SEGMENT 5 in Mead, CO, held by Ralph L Wadsworth Construction Company LLC, which discharges to North Creek and Little Thompson River. The permit is listed as Effective, issued December 2, 2024, and expiring May 31, 2028, with a Minor discharger class, and the page reports 7 pollutants on file, 7 under a numeric limit, and 7 with a violation of an effluent limit.