Clean Water Act discharge permit · NPDES WI0022896

HORTONVILLE WASTEWATER TREATMENT FACILITY, Hortonville, WI: NPDES WI0022896 discharge permit, effluent exceedances, inspections, penalties

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

HORTONVILLE WASTEWATER TREATMENT FACILITY, held by HORTONVILLE WASTEWATER TREATME, holds NPDES permit WI0022896, which discharges to Wolf R. EPA’s file records it issued March 25, 2008 and expiring September 30, 2012. 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	HORTONVILLE WASTEWATER TREATMENT FACILITY
Permittee as filed	HORTONVILLE WASTEWATER TREATME
NPDES ID	WI0022896
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	March 25, 2008
Expiration date	September 30, 2012
Address	Hortonville, WI 54944
Receiving water	WOLF R
Subwatershed	Black Otter Lake-Wolf River (HUC 040302021404)
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

5Pollutants on file
0Under a numeric limit
5With 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
BOD, 5-day, 20 deg. C	70	2	October 31, 2025	277% over the limit
Solids, total suspended	68	0
Flow, in conduit or thru treatment plant	68	0
pH	34	0
Phosphorus, total [as P]	17	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

5Single-event violations

Date	What EPA recorded	Agency
May 25, 2023	WW SSO - Discharge to Waters	ST6
August 18, 2022	WW SSO - Discharge to Waters	ST6
July 1, 2022	WW SSO - Discharge to Waters	ST6
March 23, 2022	WW SSO - Discharge to Waters	ST6
July 15, 2021	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.

Watch this permit

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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 WI0022896 there.

Nearby on the register

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

This public-records page covers NPDES permit WI0022896 for the HORTONVILLE WASTEWATER TREATMENT FACILITY in Hortonville, WI, a minor, publicly owned treatment works discharging to WOLF R. The permit, issued March 25, 2008 and expiring September 30, 2012, is listed as administratively continued, with 0 pollutants under a numeric limit and 1 pollutant with an effluent exceedance.