Clean Water Act discharge permit · NPDES WI0024686
FOX WEST REGIONAL SEWERAGE COMMISSION WWTF, Neenah, City Of, WI: NPDES WI0024686 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 14Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
FOX WEST REGIONAL SEWERAGE COMMISSION WWTF, held by Fox West Regional Sewerage Commission, holds NPDES permit WI0024686, which discharges to Little Lake Butte De Morts. EPA’s file records it issued June 29, 2009 and expiring June 30, 2014. 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 | FOX WEST REGIONAL SEWERAGE COMMISSION WWTF |
|---|---|
| Permittee as filed | Fox West Regional Sewerage Commission |
| NPDES ID | WI0024686 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 29, 2009 |
| Expiration date | June 30, 2014 |
| Address | Neenah, City Of, WI 54956 |
| Receiving water | Little Lake Butte de Morts |
| Subwatershed | Little Lake Butte des Mortes (HUC 040302040201) |
| Other EPA IDs (FRS) | RCRA handler WID124222217 |
Cited to the EPA ICIS-NPDES permit file (ECHO download); cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 15Pollutants on file
- 14Under a numeric limit
- 15With 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] | 2 | 20 | 10 | February 28, 2025 | 16% over the limit |
| Coliform, fecal general | 1 | 50 | 9 | May 31, 2004 | 477% over the limit |
| Solids, total suspended | 5 | 24 | 9 | October 31, 2019 | 279% over the limit |
| Mercury, total recoverable | 4 | 26 | 0 | ||
| BOD, carbonaceous [5 day, 5 C] | 8 | 17 | 0 | ||
| Zinc, total recoverable | 4 | 14 | 0 | ||
| Chromium, total recoverable | 4 | 14 | 0 | ||
| Copper, total recoverable | 4 | 14 | 0 | ||
| Lead, total recoverable | 4 | 13 | 0 | ||
| Phosphorus, total [as P] | 4 | 12 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| Nickel, total recoverable | 4 | 10 | 0 | ||
| Cadmium, total recoverable | 4 | 10 | 0 | ||
| pH | 2 | 6 | 0 | ||
| Chloride [as Cl] | 0 | 6 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 22, 2025 | WW SSO - Discharge to Waters | ST6 |
| May 26, 2025 | WW SSO - Discharge to Waters | ST6 |
| February 12, 2025 | WW SSO - Discharge to Waters | ST6 |
| May 21, 2023 | 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.
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, WI0024686.
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- One watershed — $2,990/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 WI0024686 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.