Velarion Records

Clean Water Act discharge permit · NPDES COG500403

LINE CAMP PIT, Dolores, CO: NPDES COG500403 discharge permit, effluent exceedances, inspections, penalties

LINE CAMP PIT, held by Four States Aggregates LLC, holds NPDES permit COG500403, which discharges to Dolores River. EPA’s file records it issued June 25, 2008 and expiring June 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.

Identity

Facility as filedLINE CAMP PIT
Permittee as filedFour States Aggregates LLC
NPDES IDCOG500403
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeCoverage under a general permit
Discharger classMinor discharger
Facility typeNot a publicly owned treatment works
IssuedJune 25, 2008
Expiration dateJune 30, 2013
AddressDolores, CO 81323
Receiving waterDOLORES RIVER
Receiving water impaired303(D) Listed
SubwatershedStapleton Valley-Dolores River (HUC 140300020302)
SIC1442 – Construction Sand And Gravel

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
pH2784September 30, 2022
Solids, total dissolved21040
Solids, total suspended2720
Flow, in conduit or thru treatment plant2690
Oil and grease visual1360
Oil and grease1340
Conductivity0220
Flow, total0220

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 COG500403.

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, COG500403.

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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 COG500403 there.

Nearby on the register

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

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