Clean Water Act discharge permit · NPDES WI0000931
WISCONSIN ELECTRIC POWER COMPANY VALLEY POWER PLANT, Milwaukee County, WI: NPDES WI0000931 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 11Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
WISCONSIN ELECTRIC POWER COMPANY VALLEY POWER PLANT, held by WE - Valley Power Plant, holds NPDES permit WI0000931, which discharges to Menomonee Canal. EPA’s file records it issued December 27, 2012 and expiring December 31, 2017. 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 | WISCONSIN ELECTRIC POWER COMPANY VALLEY POWER PLANT |
|---|---|
| Permittee as filed | WE - Valley Power Plant |
| NPDES ID | WI0000931 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 27, 2012 |
| Expiration date | December 31, 2017 |
| Address | Milwaukee County, WI 53201 |
| Receiving water | MENOMONEE CANAL |
| Subwatershed | Menomonee River (HUC 040400030405) |
| SIC | 4911 – Electric Services |
| Other EPA IDs (FRS) | RCRA handler WID000809046; ICIS-AIR source WI0000005507900191 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 11Pollutants on file
- 11Under a numeric limit
- 6With a violation of any kind
- 4With 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 | 4 | 10 | 10 | June 30, 1997 | 146% over the limit |
| Chlorine, total residual | 6 | 4 | 4 | April 30, 2016 | 24,010% over the limit |
| Phosphorus, total [as P] | 8 | 3 | 3 | February 28, 2015 | 89% over the limit |
| pH | 6 | 3 | 3 | July 31, 2013 | |
| Heat [summer] [per hour] | 5 | 5 | 0 | ||
| Flow, in conduit or thru treatment plant | 12 | 1 | 0 | ||
| Nitrogen, ammonia total [as N] | 18 | 0 | 0 | ||
| Temperature, water deg. fahrenheit | 4 | 0 | 0 | ||
| Mercury, total recoverable | 4 | 0 | 0 | ||
| Oil and grease, hexane extr method | 2 | 0 | 0 | ||
| Rainfall | 2 | 0 | 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 |
|---|---|---|
| August 8, 2021 | Monitoring Violations - Analysis not Conducted | 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, WI0000931.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 WI0000931 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.