Clean Water Act discharge permit · NPDES COG591069

BENNETT TOWN OF, Bennett, CO: NPDES COG591069 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
62Pollutants under a numeric limit
7Pollutants with an effluent exceedance

BENNETT TOWN OF, held by Bennett Town of, holds NPDES permit COG591069, which discharges to Unnamed Tributary To West Sand Creek. EPA’s file records it issued June 6, 2023 and expiring December 31, 2028. 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 filed	BENNETT TOWN OF
Permittee as filed	Bennett Town of
NPDES ID	COG591069
Permit status	Effective
Permit type	Coverage under a general permit
Discharger class	Minor discharger
Facility type	Not a publicly owned treatment works
Issued	June 6, 2023
Expiration date	December 31, 2028
Address	Bennett, CO 80102
Receiving water	unnamed tributary to West Sand Creek
Subwatershed	101900100303 (HUC 101900100303)

Cited to the EPA ICIS-NPDES permit file (ECHO download).

Effluent limits and exceedances

62Pollutants on file
62Under a numeric limit
52With a violation of any kind
7With 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 62 are shown.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, ammonia total [as N]	24	34	34	August 31, 2025	840% over the limit
E. coli	2	25	25	March 31, 2026	964% over the limit
Nitrogen, inorganic total	1	19	19	May 31, 2026	454% over the limit
Solids, total suspended	4	8	8	March 31, 2026	87% over the limit
Solids, suspended percent removal	1	5	5	February 28, 2026	99% over the limit
TU Static Renewal 7-Day Chronic Ceriodaphnia dubia	4	5	2	December 31, 2024	44% over the limit
TU Static Renewal 7-Day Chronic Pimphales promelas	4	5	2	June 30, 2025	68% over the limit
Chloride [as Cl]	2	2	0
Perfluorooctanoic acid (PFOA)	2	2	0
Perfluorobutanoic acid (PFBA)	2	2	0
Perfluorooctanesulfonamide (PFOSA)	2	2	0
Perfluoropentanoic acid (PFPeA)	2	2	0
Perfluorohexanoic acid (PFHxA)	2	2	0
Perfluoroheptanoic acid (PFHpA)	2	2	0
Perfluorononanoic acid (PFNA)	2	2	0
Perfluorodecanoic acid (PFDA)	2	2	0
Perfluoroundecanoic acid (PFUnA)	2	2	0
Perfluorododecanoic acid (PFDoA)	2	2	0
Perfluorotridecanoic acid (PFTrDA)	2	2	0
Perfluorotetradecanoic acid (PFTeDA)	2	2	0
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)	2	2	0
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)	2	2	0
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)	2	2	0
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)	2	2	0
Perfluorobutanesulfonic acid (PFBS)	2	2	0
Perfluorodecanesulfonic acid (PFDS)	2	2	0
Perfluoroheptanesulfonic acid (PFHpS)	2	2	0
Perfluorohexanesulfonic acid (PFHxS)	2	2	0
Perfluorooctanesulfonic acid (PFOS)	2	2	0
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)	2	2	0
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)	2	2	0
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)	2	2	0
Perfluoropentanesulfonic acid (PFPeS)	2	2	0
Perfluorononanesulfonic acid (PFNS)	2	2	0
Hexafluoropropylene oxide dimer acid (HFPO-DA)	2	2	0
Perfluoro-2-methoxypropanoic acid	2	2	0
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)	2	2	0
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)	2	2	0
Perfluorododecanesulfonic acid (PFDoS)	2	2	0
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)	2	2	0
Potassium 9-chlorohexadecafluoro-3-oxanonane-1-sulfonate	2	2	0
Potassium 11-chloroeicosafluoro-3-oxaundecane-1-sulfonate	2	2	0
N-methyl perfluorooctanesulfonamide (NMeFOSA)	2	2	0
N-ethyl perfluorooctanesulfonamide (NEtFOSA)	2	2	0
Sulfate	2	2	0
PFAS Sum	2	2	0
3-Perfluoropropyl propanoic acid (3:3 FTCA)	2	2	0
3-Perfluoroheptyl propanoic acid (7:3 FTCA)	2	2	0
Perfluoro-4-methoxybutanoic acid (PFMBA)	2	2	0
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)	2	2	0
Acrylamide	1	2	0
1,4-Dioxane	1	2	0
BOD, 5-day, 20 deg. C	6	0	0
Flow, in conduit or thru treatment plant	4	0	0
Plant capacity fact. percent of capacity	2	0	0
pH	2	0	0
Chlorine, total residual	2	0	0
Nitrogen, nitrite total [as N]	1	0	0
Oil and grease	1	0	0
Sulfide-hydrogen sulfide [undissociated]	1	0	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 COG591069.

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 September 15, 2026.