Clean Water Act discharge permit · NPDES WI0032361
MAIDEN ROCK WASTEWATER TREATMENT FACILITY, Maiden Rock, WI: NPDES WI0032361 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
MAIDEN ROCK WASTEWATER TREATMENT FACILITY, held by Village of Maiden Rock, holds NPDES permit WI0032361, which discharges to Rush R. EPA’s file records it issued September 6, 2013 and expiring September 30, 2018. 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 | MAIDEN ROCK WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | Village of Maiden Rock |
| NPDES ID | WI0032361 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 6, 2013 |
| Expiration date | September 30, 2018 |
| Address | Maiden Rock, WI 54750 |
| Receiving water | RUSH R |
| Subwatershed | Crystal Springs Coulee-Rush River (HUC 070400010507) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 5Under a numeric limit
- 8With a violation of any kind
- 5With 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, carbonaceous [5 day, 5 C] | 0 | 201 | 5 | May 31, 2025 | 524% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 70 | 4 | May 31, 1993 | 33% over the limit |
| Solids, total suspended | 2 | 50 | 3 | May 31, 2021 | 180% over the limit |
| pH | 0 | 24 | 1 | June 30, 1990 | |
| Flow, in conduit or thru treatment plant | 2 | 12 | 1 | June 30, 2026 | 680% over the limit |
| Nitrogen, ammonia total [as N] | 1 | 11 | 0 | ||
| Coliform, fecal general | 0 | 10 | 0 | ||
| Phosphorus, total [as P] | 1 | 8 | 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 WI0032361.
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
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, WI0032361.
Start the watch
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- One watershed — $2,990/year
- One state — $4,990/year
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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 WI0032361 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.