Clean Water Act discharge permit · NPDES WI0024210

HAZEL GREEN WASTEWATER TREATMENT FACILITY, Hazel Green, WI: NPDES WI0024210 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
7Pollutants under a numeric limit
2Pollutants with an effluent exceedance

HAZEL GREEN WASTEWATER TREATMENT FACILITY, held by VILLAGE OF HAZEL GREEN, holds NPDES permit WI0024210, which discharges to Galena R. EPA’s file records it issued June 24, 2014 and expiring June 30, 2019. 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	HAZEL GREEN WASTEWATER TREATMENT FACILITY
Permittee as filed	VILLAGE OF HAZEL GREEN
NPDES ID	WI0024210
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, 2014
Expiration date	June 30, 2019
Address	Hazel Green, WI 53811
Receiving water	GALENA R
Subwatershed	Kelsey Branch-Galena River (HUC 070600050306)
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

9Pollutants on file
7Under a numeric limit
5With a violation of any kind
2With 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	22	22	May 31, 1993	200% over the limit
Phosphorus, total [as P]	1	15	3	April 30, 2020	51% over the limit
pH	2	16	0
Nitrogen, ammonia total [as N]	1	8	0
Coliform, fecal general	0	2	0
BOD, 5-day, 20 deg. C	2	0	0
Solids, total suspended	2	0	0
Flow, in conduit or thru treatment plant	2	0	0
Chloride [as Cl]	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

5Single-event violations

Date	What EPA recorded	Agency
July 1, 2024	Permit Violations - Violation Specified in Comment	ST6
August 7, 2023	Permit Violations - Violation Specified in Comment	ST6
June 28, 2023	Permit Violations - Violation Specified in Comment	ST6
October 2, 2019	WW SSO - Discharge to Waters	ST6
July 22, 2017	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.

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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 WI0024210 there.

Nearby on the register

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

This public-records page covers NPDES permit WI0024210 for the Hazel Green Wastewater Treatment Facility in Hazel Green, WI, held by the Village of Hazel Green, which discharges to the Galena R within the Kelsey Branch-Galena River subwatershed (HUC 070600050306). The permit is listed as administratively continued, with a Minor Discharger class and 7 pollutants under a numeric limit, of which 2 had an effluent exceedance. The facility's permit dates are listed as issued June 24, 2014 and expiring June 30, 2019, as the EPA file stood when the record was loaded on October 14, 2026.