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Clean Water Act discharge permit · NPDES CO0041106

OAK CREEK TOWN OF, Oak Creek, CO: NPDES CO0041106 discharge permit, effluent exceedances, inspections, penalties

OAK CREEK TOWN OF, held by Oak Creek Town of, holds NPDES permit CO0041106, which discharges to Oak Creek. EPA’s file records it issued June 29, 2009 and expiring July 31, 2014. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filedOAK CREEK TOWN OF
Permittee as filedOak Creek Town of
NPDES IDCO0041106
Permit statusAdministratively continued (past its expiration date and still in force until reissued)
Permit typeIndividual permit
Discharger classMinor discharger
Facility typePublicly owned treatment works
ProgramPublicly owned treatment works
IssuedJune 29, 2009
Expiration dateJuly 31, 2014
AddressOak Creek, CO 80467
Receiving waterOak Creek
SubwatershedOutlet Oak Creek (HUC 140500010404)

Cited to the EPA ICIS-NPDES permit file (ECHO 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
BOD, 5-day, percent removal111341June 30, 2022280% over the limit
Solids, suspended percent removal010033July 31, 20091,167% over the limit
Flow, in conduit or thru treatment plant429119June 30, 2019156% over the limit
Nitrogen, ammonia total [as N]4818219October 31, 2010475% over the limit
Nitrogen, inorganic total099August 31, 202138% over the limit
Coliform, fecal general01718July 31, 2009317% over the limit
Chlorine, total residual21247October 31, 2007614% over the limit
E. coli, thermotol, MF, MTEC284September 30, 20101,320% over the limit
pH21693June 30, 2003
BOD, 5-day, 20 deg. C62722October 31, 20023% over the limit
Solids, total suspended42190
Solids, total dissolved4840
Oil and grease visual1840
Oil and grease0490
Zinc, potentially dissolved0160
Oxygen, dissolved [DO]090
Temperature, water deg. centigrade240
Plant capacity fact. percent of capacity040
Manganese, dissolved [as Mn]020

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

DateWhat EPA recordedAgency
February 4, 2020Monitoring Violations - No Flow Measurement DeviceST6

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 CO0041106 there.

Nearby on the register

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