Clean Water Act discharge permit · NPDES WI0028924

SIREN WASTEWATER TREATMENT FAC, Siren, WI: NPDES WI0028924 discharge permit, effluent exceedances, inspections, penalties

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

SIREN WASTEWATER TREATMENT FAC, held by SIREN VILLAGE OF, holds NPDES permit WI0028924, which discharges to Wetland Unnamed. EPA’s file records it issued June 26, 2008 and expiring June 30, 2013. 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	SIREN WASTEWATER TREATMENT FAC
Permittee as filed	SIREN VILLAGE OF
NPDES ID	WI0028924
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 26, 2008
Expiration date	June 30, 2013
Address	Siren, WI 54872
Receiving water	WETLAND UNNAMED
Subwatershed	Black Brook-Clam River (HUC 070300010905)

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

Effluent limits and exceedances

9Pollutants on file
0Under a numeric limit
9With 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
BOD, 5-day, 20 deg. C	80	12	June 30, 1992	90% over the limit
Solids, total suspended	74	6	June 30, 1992	90% over the limit
Phosphorus, total [as P]	20	3	September 30, 2022	34% over the limit
Zinc, total recoverable	136	0
Copper, total recoverable	124	0
Hardness, total [as CaCO3]	68	0
Flow, in conduit or thru treatment plant	68	0
pH	34	0
Oxygen, dissolved [DO]	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

2Single-event violations

Date	What EPA recorded	Agency
May 14, 2025	WW SSO - Discharge to Waters	ST6
January 6, 2020	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 WI0028924 there.

Nearby on the register

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

This public-records page covers the NPDES discharge permit WI0028924 for the SIREN WASTEWATER TREATMENT FAC in Siren, WI, held by SIREN VILLAGE OF, with a status of administratively continued and a discharger class of 0. The facts list 3 pollutants under a numeric limit and 3 pollutants with an effluent exceedance, out of 9 pollutants on file.