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Clean Water Act discharge permit · NPDES COX631081

CENTER SANITATION DISTRICT WWTF, Center, CO: NPDES COX631081 discharge permit, effluent exceedances, inspections, penalties

CENTER SANITATION DISTRICT WWTF, held by Center Sanitation District, holds NPDES permit COX631081, which discharges to Groundwater. EPA’s file records it issued February 7, 2022 and expiring January 31, 2024. 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.

Identity

Facility as filedCENTER SANITATION DISTRICT WWTF
Permittee as filedCenter Sanitation District
NPDES IDCOX631081
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
IssuedFebruary 7, 2022
Expiration dateJanuary 31, 2024
AddressCenter, CO 81125
Receiving watergroundwater
SubwatershedCity of Center-San Luis Creek (HUC 130100030504)

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
Coliform, total general21410August 31, 2022331,782% over the limit
Solids, total suspended393May 31, 2022100% over the limit
BOD, 5-day, 20 deg. C4102April 30, 202248% over the limit
Nitrogen, inorganic total142May 31, 2022188% over the limit
BOD, 5-day, percent removal131April 30, 202284% over the limit
Solids, suspended percent removal131April 30, 2022100% over the limit
Flow, in conduit or thru treatment plant480
Plant capacity fact. percent of capacity240
pH240
Solids, total dissolved130
Chloride [as Cl]120
Sulfate, total [as SO4]120
Oil and grease120
Oil and grease visual120

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 COX631081.

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, COX631081.

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  • One watershed — $2,990/year
  • One state — $4,990/year
  • The whole register — $18,000/year

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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 COX631081 there.

Nearby on the register

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