Velarion Records

Clean Water Act discharge permit · NPDES COG074474

WITTER GULCH RD, Evergreen, CO: NPDES COG074474 discharge permit, effluent exceedances, inspections, penalties

WITTER GULCH RD, held by ESCO Construction Co, holds NPDES permit COG074474, which discharges to Witter Gulch. EPA’s file records it issued July 22, 2013 and expiring September 30, 2013. 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 WITTER GULCH RD: its NPDES ID, its permit type and status, its dates, its address in Evergreen, Colorado, its receiving water, and 6 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES COG074474.

Identity

Facility as filedWITTER GULCH RD
Permittee as filedESCO Construction Co
NPDES IDCOG074474
Permit statusEffective
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJuly 22, 2013
Expiration dateSeptember 30, 2013
AddressEvergreen, CO 80439
Receiving waterWitter Gulch
SubwatershedEvergreen Lake-Bear Creek (HUC 101900020803)
SIC1799 – Special Trade Contractors

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
pH200
Solids, total suspended200
Flow, in conduit or thru treatment plant200
Phosphorus, total [as P]100
Oil and grease100
Oil and grease visual100

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES COG074474.

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 COG074474.

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

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, COG074474.

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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 COG074474 there.

Nearby on the register

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

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