Clean Water Act discharge permit · NPDES WI0058424
CRANDON RECIRCULATING SAND FILTER/STONE LAKE WWTP, Crandon, WI: NPDES WI0058424 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
CRANDON RECIRCULATING SAND FILTER/STONE LAKE WWTP, held by Forest County Potawatomi Community, holds NPDES permit WI0058424, which discharges to Wetland On The Reservation. EPA’s file records it issued October 24, 2014 and expiring October 21, 2019. 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 | CRANDON RECIRCULATING SAND FILTER/STONE LAKE WWTP |
|---|---|
| Permittee as filed | Forest County Potawatomi Community |
| NPDES ID | WI0058424 |
| 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 24, 2014 |
| Expiration date | October 21, 2019 |
| Address | Crandon, WI 54520 |
| Receiving water | WETLAND ON THE RESERVATION |
| Subwatershed | South Branch Peshtigo River (HUC 040301050202) |
| NAICS | 221320 – Sewage Treatment Facilities |
| 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
- 14Pollutants on file
- 13Under a numeric limit
- 14With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 17 | 108 | 96 | May 31, 2017 | 633% over the limit |
| E. coli | 9 | 48 | 24 | September 30, 2025 | 99,999% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 17 | 37 | 17 | March 31, 2015 | 270% over the limit |
| Solids, suspended percent removal | 2 | 9 | 7 | March 31, 2019 | 73% over the limit |
| pH | 15 | 17 | 6 | March 31, 2021 | |
| BOD, carb-5 day, 20 deg C, percent removal | 2 | 4 | 2 | March 31, 2015 | 7% over the limit |
| Phosphorus, total [as P] | 15 | 69 | 1 | October 31, 2020 | 5% over the limit |
| Oxygen, dissolved [DO] | 3 | 3 | 1 | July 31, 2022 | 10% over the limit |
| Mercury, total [as Hg] | 5 | 14 | 0 | ||
| Temperature, water deg. fahrenheit | 12 | 9 | 0 | ||
| Nitrogen, ammonia total [as N] | 8 | 7 | 0 | ||
| Flow, in conduit or thru treatment plant | 7 | 4 | 0 | ||
| Outfall observation,visual, y/n response | 2 | 3 | 0 | ||
| Coliform, fecal general | 0 | 1 | 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 |
|---|---|---|
| May 13, 2019 | Effluent Violations - Numeric effluent violation | EP6 |
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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.