Clean Water Act discharge permit · NPDES WI0020915

CASHTON WASTEWATER TREATMENT FACILITY, Cashton, WI: NPDES WI0020915 discharge permit, effluent exceedances, inspections, penalties

EffectivePermit status
MinorDischarger class
0Pollutants under a numeric limit
0Pollutants with an effluent exceedance

CASHTON WASTEWATER TREATMENT FACILITY, held by Village of Cashton, holds NPDES permit WI0020915, which discharges to Little La Crosse. EPA’s file records it issued June 24, 2019 and expiring June 30, 2024. 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	CASHTON WASTEWATER TREATMENT FACILITY
Permittee as filed	Village of Cashton
NPDES ID	WI0020915
Permit status	Effective
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 24, 2019
Expiration date	June 30, 2024
Address	Cashton, WI 54619
Receiving water	LITTLE LA CROSSE
Subwatershed	Headwaters Little La Crosse River (HUC 070400060303)
SIC	4952 – Sewerage Systems

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

1Pollutants on file
0Under a numeric limit
1With a violation of any kind
0With 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.

Pollutant or measure	Limits	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Oxygen, dissolved [DO]	0	6	0

EPA’s effluent violation file records no exceedance of a numeric limit for NPDES WI0020915.

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

7Single-event violations

Date	What EPA recorded	Agency
February 9, 2024	WW SSO - Discharge to Waters	ST6
September 6, 2023	WW SSO - Discharge to Waters	ST6
March 29, 2023	WW SSO - Discharge to Waters	ST6
August 28, 2018	WW SSO - Discharge to Waters	ST6
December 2, 2017	WW SSO - Discharge to Waters	ST6
July 20, 2017	WW SSO - Discharge to Waters	ST6
July 12, 2017	WW SSO - Discharge to Waters	ST6

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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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 WI0020915 there.

Nearby on the register

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

This public-records page covers the NPDES WI0020915 Clean Water Act discharge permit for the Cashton Wastewater Treatment Facility in Cashton, WI, held by the Village of Cashton, with a permit status of Effective and a minor discharger class. The page lists 0 pollutants under a numeric limit and 0 pollutants with an effluent exceedance, and it shows the permit as issued June 24, 2019 and expiring June 30, 2024, with the status as of October 14, 2026.