Clean Water Act discharge permit · NPDES WI0036846
GREEN LAKE SANITARY DISTRICT, Green Lake, WI: NPDES WI0036846 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
GREEN LAKE SANITARY DISTRICT holds NPDES permit WI0036846. EPA’s file records it issued September 23, 2010 and expiring September 30, 2015. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | GREEN LAKE SANITARY DISTRICT |
|---|---|
| Permittee as filed | GREEN LAKE SANITARY DISTRICT |
| NPDES ID | WI0036846 |
| 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 | September 23, 2010 |
| Expiration date | September 30, 2015 |
| Address | Green Lake, WI 54941 |
| Subwatershed | Big Green Lake (HUC 040302010902) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 5Under a numeric limit
- 7With a violation of any kind
- 6With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 1 | 50 | 28 | March 31, 2026 | 170% over the limit |
| pH | 0 | 68 | 24 | October 31, 2025 | |
| BOD, 5-day, 20 deg. C | 2 | 78 | 2 | August 31, 2022 | 42% over the limit |
| Nitrogen, ammonia total [as N] | 1 | 46 | 2 | May 31, 2025 | 39% over the limit |
| Solids, total suspended | 2 | 55 | 1 | October 31, 2017 | 12% over the limit |
| Coliform, fecal general | 0 | 46 | 1 | August 31, 2025 | 176% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 32 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WI0036846.
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
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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 WI0036846 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.