Clean Water Act discharge permit · NPDES WI0023957

EVANSVILLE WASTEWATER TREATMENT FACILITY, Evansville, WI: NPDES WI0023957 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
1Pollutants with an effluent exceedance

EVANSVILLE WASTEWATER TREATMENT FACILITY, held by CITY OF EVANSVILLE, holds NPDES permit WI0023957. EPA’s file records it issued June 24, 2013 and expiring June 30, 2018. 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	EVANSVILLE WASTEWATER TREATMENT FACILITY
Permittee as filed	CITY OF EVANSVILLE
NPDES ID	WI0023957
Permit status	Administratively continued (past its expiration date and still in force until reissued)
Permit type	Individual permit
Discharger class	Minor discharger
Facility type	Publicly owned treatment works
Program	Publicly owned treatment works
Issued	June 24, 2013
Expiration date	June 30, 2018
Address	Evansville, WI 53536
Subwatershed	City of Evansville-Allen Creek (HUC 070900040301)
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

11Pollutants on file
0Under a numeric limit
11With a violation of any kind
1With 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	Violations, any kind	Effluent exceedances	Latest exceedance	Largest exceedance, as filed
Nitrogen, total [as N]	80	1	February 28, 2019	36% over the limit
Solids, total suspended	180	0
Flow, in conduit or thru treatment plant	180	0
BOD, 5-day, 20 deg. C	101	0
Nitrogen, organic total [as N]	90	0
Nitrogen, ammonia total [as N]	90	0
Nitrogen, Kjeldahl, total [as N]	90	0
pH	79	0
Nitrite + Nitrate total [as N]	79	0
Chloride [as Cl]	79	0
Solids, total dissolved	79	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

1Single-event violations

Date	What EPA recorded	Agency
January 1, 2018	Permit Violations - Violation Specified in Comment	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 WI0023957 there.

Nearby on the register

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

This public-records page covers NPDES discharge permit WI0023957 for the Evansville Wastewater Treatment Facility in Evansville, WI, held by the City of Evansville, a publicly owned treatment works in the City of Evansville-Allen Creek watershed (HUC 070900040301). The permit is listed as administratively continued and a minor discharger, with 0 pollutants under a numeric limit flagged as minor and 1 pollutant with an effluent exceedance.