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Clean Water Act discharge permit · NPDES COX631050

GROVER TOWN OF, Grover, CO: NPDES COX631050 discharge permit, effluent exceedances, inspections, penalties

GROVER TOWN OF, held by Grover Town of, holds NPDES permit COX631050, which discharges to Groundwater. EPA’s file records it issued December 7, 2012 and expiring April 30, 2017. 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 filedGROVER TOWN OF
Permittee as filedGrover Town of
NPDES IDCOX631050
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
IssuedDecember 7, 2012
Expiration dateApril 30, 2017
AddressGrover, CO 80729
Receiving waterGroundwater
SubwatershedJackson Draw (HUC 101900090207)

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 general28886June 30, 20252,545,855% over the limit
Solids, total dissolved17877June 30, 2023866% over the limit
Nitrogen, inorganic total11110July 31, 2025255% over the limit
BOD, 5-day, 20 deg. C684April 30, 2026123% over the limit
Flow, in conduit or thru treatment plant484June 30, 201844% over the limit
Solids, total suspended474May 31, 202373% over the limit
Sulfate, total [as SO4]143March 31, 2019694% over the limit
Solids, suspended percent removal122February 28, 2023153% over the limit
pH231December 31, 2019
Chloride [as Cl]121June 30, 202380% over the limit
Oil and grease220
Oil and grease visual110
BOD, 5-day, percent removal100

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 COX631050.

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, COX631050.

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  • 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 COX631050 there.

Nearby on the register

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