Clean Water Act discharge permit · NPDES WI0022799

CHILTON WASTEWATER TREATMENT F, Chilton, WI: NPDES WI0022799 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
9Pollutants under a numeric limit
6Pollutants with an effluent exceedance

CHILTON WASTEWATER TREATMENT F holds NPDES permit WI0022799, which discharges to Manitowoc R S Br. EPA’s file records it issued September 30, 2010 and expiring June 30, 2015. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.

Identity

Facility as filed	CHILTON WASTEWATER TREATMENT F
Permittee as filed	CHILTON WASTEWATER TREATMENT F
NPDES ID	WI0022799
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	September 30, 2010
Expiration date	June 30, 2015
Address	Chilton, WI 53014
Receiving water	MANITOWOC R S BR
Receiving water impaired	303(D) Listed
Subwatershed	City of Chilton-South Branch Manitowoc River (HUC 040301010404)

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

Effluent limits and exceedances

13Pollutants on file
9Under a numeric limit
12With a violation of any kind
6With 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
pH	2	117	49	March 31, 1993
Chlorine, total residual	0	64	19	March 31, 1993	179% over the limit
Phosphorus, total [as P]	1	41	7	June 30, 2018	68% over the limit
BOD, 5-day, 20 deg. C	2	45	5	July 31, 1989	338% over the limit
Oxygen, dissolved [DO]	1	38	4	June 30, 1992	43% over the limit
Solids, total suspended	2	98	2	September 30, 2018	63% over the limit
BOD, carbonaceous [5 day, 5 C]	0	112	0
Nitrogen, ammonia total [as N]	0	84	0
Flow, in conduit or thru treatment plant	4	80	0
Chloride [as Cl]	2	54	0
Coliform, fecal general	0	52	0
Temperature, water deg. fahrenheit	1	26	0
Copper, total recoverable	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 WI0022799.

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 WI0022799 there.

Nearby on the register

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