Clean Water Act discharge permit · NPDES WI0021776
GREEN LAKE WASTEWATER TREATMENT FACILITY, Green Lake, WI: NPDES WI0021776 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
GREEN LAKE WASTEWATER TREATMENT FACILITY, held by GREEN LAKE WASTEWATER TREATMEN, holds NPDES permit WI0021776, which discharges to Puchyan Cr. EPA’s file records it issued October 10, 2006 and expiring September 30, 2011. 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 | GREEN LAKE WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | GREEN LAKE WASTEWATER TREATMEN |
| NPDES ID | WI0021776 |
| 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 | October 10, 2006 |
| Expiration date | September 30, 2011 |
| Address | Green Lake, WI 54941 |
| Receiving water | PUCHYAN CR |
| Subwatershed | Puchyan River (HUC 040302011103) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 0Under a numeric limit
- 5With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 0 | 73 | 1 | May 31, 2023 | 8% over the limit |
| Solids, total suspended | 0 | 72 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 72 | 0 | ||
| pH | 0 | 36 | 0 | ||
| Phosphorus, total [as P] | 0 | 18 | 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 WI0021776.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 WI0021776 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.