Clean Water Act discharge permit · NPDES COG318087

GILCREST TOWN OF WWTP GROUNDWATER EXTRACTION WELL 2, Gilcrest, CO: NPDES COG318087 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
114Pollutants under a numeric limit
2Pollutants with an effluent exceedance

GILCREST TOWN OF WWTP GROUNDWATER EXTRACTION WELL 2, held by Gilcrest Town of, holds NPDES permit COG318087, which discharges to South Platte River. EPA’s file records it issued June 16, 2021 and expiring May 31, 2028. 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 filed	GILCREST TOWN OF WWTP GROUNDWATER EXTRACTION WELL 2
Permittee as filed	Gilcrest Town of
NPDES ID	COG318087
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	June 16, 2021
Expiration date	May 31, 2028
Address	Gilcrest, CO 80623
Receiving water	South Platte River
Subwatershed	Ashcroft Draw-South Platte River (HUC 101900030605)
SIC	1799 – 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

114Pollutants on file
114Under a numeric limit
114With a violation of any kind
2With an effluent exceedance

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; the 60 with the most exceedances of 114 are shown.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, nitrate total [as N]	2	27	24	July 31, 2026	158% over the limit
Uranium, total	4	8	3	July 31, 2026	3% over the limit
pH	2	6	0
Solids, total suspended	2	6	0
Flow, in conduit or thru treatment plant	2	6	0
Oil and grease	1	3	0
Flow, total	1	3	0
Oil and grease visual	1	3	0
Arsenic, total recoverable	2	2	0
Iron, total recoverable	2	2	0
Selenium, total recoverable	2	2	0
Thallium, total recoverable	2	2	0
Beryllium, total recoverable [as Be]	2	2	0
Barium, total recoverable	2	2	0
Iron, dissolved [as Fe]	2	2	0
Manganese, dissolved [as Mn]	2	2	0
Nickel, total recoverable	2	2	0
Silver total recoverable	2	2	0
Zinc, total recoverable	2	2	0
Aluminum, total recoverable	2	2	0
Cadmium, total recoverable	2	2	0
Lead, total recoverable	2	2	0
Chromium, total recoverable	2	2	0
Copper, total recoverable	2	2	0
Molybdenum, total recoverable	2	2	0
Chromium, hexavalent dissolved [as Cr]	2	2	0
Antimony, total recoverable	2	2	0
Zinc, potentially dissolved	2	2	0
Silver, potentially dissolved	2	2	0
Copper, potentially dissolved	2	2	0
Arsenic, potentially dissolved	2	2	0
Cadmium, potentially dissolvd	2	2	0
Chromium, trivalent, potentially dissolvd	2	2	0
Lead, potentially dissolvd	2	2	0
Manganese, potentially dissolvd	2	2	0
Nickel, potentially dissolvd	2	2	0
Selenium, potentially dissolvd	2	2	0
Thallium, potentially dissolvd	2	2	0
Uranium, potentially dissolvd	2	2	0
Total phenols	2	2	0
Chromium, trivalent total recoverable	2	2	0
Carbon tetrachloride	2	2	0
1,2-Dichloroethane	2	2	0
Bromoform	2	2	0
Chloroform	2	2	0
Toluene	2	2	0
Benzene	2	2	0
Acenaphthene	2	2	0
Acrolein	2	2	0
Anthracene	2	2	0
Benzo[k]fluoranthene	2	2	0
Benzo[a]pyrene	2	2	0
Bis[2-chloroethyl] ether	2	2	0
Bis[2-chloroisopropyl] ether	2	2	0
Butyl benzyl phthalate	2	2	0
Chlorobenzene	2	2	0
Chlorodibromomethane	2	2	0
Chrysene	2	2	0
Diethyl phthalate	2	2	0
Dimethyl phthalate	2	2	0

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

0Single-event violations

EPA’s single-event violation file, as loaded, holds no violation for NPDES COG318087.

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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Nearby on the register

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

This public-records page covers NPDES permit COG318087 for GILCREST TOWN OF WWTP GROUNDWATER EXTRACTION WELL 2 in Gilcrest, CO, held by Gilcrest Town of, with status listed as Effective and discharger class listed as Minor. The page lists 114 pollutants on file, 2 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance.