Clean Water Act discharge permit · NPDES WI0049727
RED CLIFF BAND WWTF, Bayfield, WI: NPDES WI0049727 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
RED CLIFF BAND WWTF holds NPDES permit WI0049727, which discharges to Lake Superior. EPA’s file records it issued March 21, 2014 and expiring March 19, 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 | RED CLIFF BAND WWTF |
|---|---|
| Permittee as filed | RED CLIFF BAND WWTF |
| NPDES ID | WI0049727 |
| 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 | March 21, 2014 |
| Expiration date | March 19, 2019 |
| Address | Bayfield, WI 54814 |
| Receiving water | LAKE SUPERIOR |
| 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
- 12Pollutants on file
- 11Under a numeric limit
- 12With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 8 | 182 | 89 | October 31, 2025 | 900% over the limit |
| Mercury, total [as Hg] | 10 | 234 | 75 | September 30, 2025 | 66,642,100% over the limit |
| E. coli | 4 | 69 | 22 | February 28, 2025 | 1,337% over the limit |
| Solids, total suspended | 10 | 132 | 20 | March 31, 2025 | 584% over the limit |
| Solids, suspended percent removal | 2 | 30 | 8 | April 30, 2023 | 733% over the limit |
| BOD, 5-day, 20 deg. C | 10 | 117 | 5 | June 30, 2023 | 115% over the limit |
| pH | 8 | 110 | 4 | June 30, 2025 | |
| BOD, 5-day, percent removal | 2 | 24 | 2 | April 30, 2023 | 73% over the limit |
| Coliform, fecal general | 0 | 2 | 2 | September 30, 2006 | 245% over the limit |
| Nitrogen, ammonia total [as N] | 4 | 46 | 1 | September 30, 2006 | 53% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 66 | 0 | ||
| Outfall observation,visual, y/n response | 2 | 23 | 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 6, 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.
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, WI0049727.
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 WI0049727 there.
Nearby on the register
- Discharge permits in Bayfield
- Every permit record in Bayfield, A to Z
- Discharge permits in Wisconsin
- Every permit record in Wisconsin, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.