Clean Water Act discharge permit · NPDES WI0020729
REDGRANITE WASTEWATER TREATMENT FACILITY, Redgranite, WI: NPDES WI0020729 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
REDGRANITE WASTEWATER TREATMENT FACILITY, held by REDGRANITE WASTEWATER TREATMEN, holds NPDES permit WI0020729, which discharges to Willow Cr. EPA’s file records it issued September 17, 2008 and expiring September 30, 2012. 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 | REDGRANITE WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | REDGRANITE WASTEWATER TREATMEN |
| NPDES ID | WI0020729 |
| 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 17, 2008 |
| Expiration date | September 30, 2012 |
| Address | Redgranite, WI 54970 |
| Receiving water | WILLOW CR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cedar Springs Creek-Willow Creek (HUC 040302022005) |
| 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
- 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 | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 0 | 26 | 9 | March 31, 2022 | 100% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 76 | 8 | April 30, 2021 | 92% over the limit |
| Phosphorus, total [as P] | 0 | 14 | 2 | November 30, 2020 | 43% over the limit |
| Solids, total suspended | 0 | 68 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 68 | 0 | ||
| pH | 0 | 34 | 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 WI0020729.
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, WI0020729.
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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 WI0020729 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.