Clean Water Act discharge permit · NPDES WI0029831

YORKVILLE SEWER UTILITY DISTRICT NO 1, Sturtevant, WI: NPDES WI0029831 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
3Pollutants with an effluent exceedance

YORKVILLE SEWER UTILITY DISTRICT NO 1, held by YORKVILLE SEWER UTILITY DISTRI, holds NPDES permit WI0029831, which discharges to Root R Via Hoods. EPA’s file records it issued December 29, 2004 and expiring December 31, 2009. 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	YORKVILLE SEWER UTILITY DISTRICT NO 1
Permittee as filed	YORKVILLE SEWER UTILITY DISTRI
NPDES ID	WI0029831
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	December 29, 2004
Expiration date	December 31, 2009
Address	Sturtevant, WI 53182
Receiving water	ROOT R VIA HOODS
Subwatershed	Hoods Creek (HUC 040400020304)
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

8Pollutants on file
0Under a numeric limit
8With a violation of any kind
3With 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
Oxygen, dissolved [DO]	24	17	November 30, 1993	45% over the limit
BOD, 5-day, 20 deg. C	62	8	December 31, 2024	172% over the limit
Solids, total suspended	53	3	February 28, 2021	900% over the limit
Flow, in conduit or thru treatment plant	178	0
Zinc, total recoverable	92	0
Phosphorus, total [as P]	90	0
pH	14	0
Nitrogen, ammonia total [as N]	9	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

2Single-event violations

Date	What EPA recorded	Agency
May 31, 2021	Monitoring Violations - Analysis not Conducted	ST6
March 9, 2020	Monitoring Violations - Analysis not Conducted	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 WI0029831 there.

Nearby on the register

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

This public-records page covers the Clean Water Act discharge permit NPDES WI0029831, held by Yorkville Sewer Utility District No 1 in Sturtevant, WI, which discharges to Root R Via Hoods in the Hoods Creek subwatershed (HUC 040400020304). The permit is listed as administratively continued, with 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance.