Clean Water Act discharge permit · NPDES WI0020711
CEDAR GROVE WASTEWATER TRTMNT FACIL, Cedar Grove, WI: NPDES WI0020711 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
CEDAR GROVE WASTEWATER TRTMNT FACIL, held by CEDAR GROVE WASTEWATER TRTMNT, holds NPDES permit WI0020711, which discharges to Barr Cr Via Un T. EPA’s file records it issued March 31, 2008 and expiring March 31, 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 | CEDAR GROVE WASTEWATER TRTMNT FACIL |
|---|---|
| Permittee as filed | CEDAR GROVE WASTEWATER TRTMNT |
| NPDES ID | WI0020711 |
| 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 31, 2008 |
| Expiration date | March 31, 2013 |
| Address | Cedar Grove, WI 53013 |
| Receiving water | BARR CR VIA UN T |
| Subwatershed | Barr Creek-Frontal Lake Michigan (HUC 040301011202) |
| 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
- 11Pollutants on file
- 0Under a numeric limit
- 11With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 0 | 10 | 10 | October 31, 1989 | 450% over the limit |
| Solids, total suspended | 0 | 66 | 2 | May 31, 1989 | 717% over the limit |
| Chloride [as Cl] | 0 | 19 | 2 | March 31, 2018 | 25% over the limit |
| Copper, total recoverable | 0 | 262 | 1 | February 29, 2020 | 29% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 65 | 1 | August 31, 1989 | 10% over the limit |
| BOD, carbonaceous [5 day, 5 C] | 0 | 57 | 1 | February 28, 2021 | 47% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 182 | 0 | ||
| Phosphorus, total [as P] | 0 | 98 | 0 | ||
| pH | 0 | 32 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 18 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 16 | 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 |
|---|---|---|
| June 25, 2024 | WW SSO - Discharge to Waters | ST6 |
| May 17, 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 WI0020711 there.
Nearby on the register
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- Every permit record in Wisconsin, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.