Clean Water Act discharge permit · NPDES WI0022110

BOSCOBEL WASTEWATER TREATMENT FACILITY, Boscobel, WI: NPDES WI0022110 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
5Pollutants under a numeric limit
4Pollutants with an effluent exceedance

BOSCOBEL WASTEWATER TREATMENT FACILITY, held by CITY OF BOSCOBEL, holds NPDES permit WI0022110, which discharges to Wisconsin R. EPA’s file records it issued June 25, 2013 and expiring June 30, 2018. 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	BOSCOBEL WASTEWATER TREATMENT FACILITY
Permittee as filed	CITY OF BOSCOBEL
NPDES ID	WI0022110
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 25, 2013
Expiration date	June 30, 2018
Address	Boscobel, WI 53805
Receiving water	WISCONSIN R
Receiving water impaired	303(D) Listed
Subwatershed	Feather Island-Wisconsin River (HUC 070700051705)

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

Effluent limits and exceedances

9Pollutants on file
5Under a numeric limit
8With a violation of any kind
4With 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
Chlorine, total residual	0	42	3	June 30, 2019	163% over the limit
Solids, total suspended	4	36	3	September 30, 1991	70% over the limit
Coliform, fecal general	0	56	1	June 30, 2023	7% over the limit
BOD, 5-day, 20 deg. C	4	33	1	September 30, 1991	17% over the limit
pH	0	20	0
Phosphorus, total [as P]	0	10	0
Nitrogen, ammonia total [as N]	1	7	0
Chloride [as Cl]	1	6	0
Flow, in conduit or thru treatment plant	2	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

1Single-event violations

Date	What EPA recorded	Agency
July 27, 2022	Reporting Violations - Failure to Submit DMRs	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 WI0022110 there.

Nearby on the register

Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.

This public-records page covers NPDES permit WI0022110 for the Boscobel Wastewater Treatment Facility in Boscobel, WI, held by the City of Boscobel, which discharges to the Wisconsin R. The permit is listed as administratively continued, with a minor discharger class of 5, 4 pollutants under a numeric limit, and 4 pollutants with an effluent exceedance. The permit's recorded issue date is June 25, 2013, and its expiration date is June 30, 2018.