Clean Water Act discharge permit · NPDES WI0036251

NORTH LAKE POYGAN SD WW TRTMNT, Fremont, WI: NPDES WI0036251 discharge permit, effluent exceedances, inspections, penalties

Administratively continuedPermit status
MinorDischarger class
0Pollutants under a numeric limit
5Pollutants with an effluent exceedance

NORTH LAKE POYGAN SD WW TRTMNT, held by NORTH LAKE POYGAN S D WWTF, holds NPDES permit WI0036251, which discharges to L Poygan. EPA’s file records it issued March 30, 2009 and expiring September 30, 2013. 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	NORTH LAKE POYGAN SD WW TRTMNT
Permittee as filed	NORTH LAKE POYGAN S D WWTF
NPDES ID	WI0036251
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	March 30, 2009
Expiration date	September 30, 2013
Address	Fremont, WI 54940
Receiving water	L POYGAN
Receiving water impaired	303(D) Listed
Subwatershed	Lake Poygan (HUC 040302022106)
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

6Pollutants on file
0Under a numeric limit
6With a violation of any kind
5With 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
Phosphorus, total [as P]	93	42	November 30, 2024	179% over the limit
BOD, 5-day, 20 deg. C	91	23	November 30, 2024	247% over the limit
Coliform, fecal general	18	18	March 31, 1993	13,482% over the limit
Solids, total suspended	66	15	September 30, 2024	328% over the limit
pH	38	4	August 31, 1990
Flow, in conduit or thru treatment plant	73	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 1, 2023	Reporting Violations - Failure to submit required report (non-DMR non-pretreatment)	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.

Watch this permit

One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, WI0036251.

Start the watch

How we handle your data → Privacy

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 WI0036251 there.

Nearby on the register

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

This public-records page covers NPDES permit WI0036251 for NORTH LAKE POYGAN SD WW TRTMNT in Fremont, WI, a minor discharger holding an administratively continued individual permit issued March 30, 2009 and expiring September 30, 2013. The page lists 5 pollutants under a numeric limit and 5 pollutants with an effluent exceedance, with the discharge going to L Poygan in the Lake Poygan subwatershed (HUC 040302022106).