Clean Water Act discharge permit · NPDES WI0031950
BLENKER SHERRY SANITARY DISTRICT WWTF, Sherry, WI: NPDES WI0031950 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
BLENKER SHERRY SANITARY DISTRICT WWTF, held by BLENKER SHERRY SANITARY DISTRI, holds NPDES permit WI0031950, which discharges to Mill Cr. EPA’s file records it issued September 30, 2009 and expiring September 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 | BLENKER SHERRY SANITARY DISTRICT WWTF |
|---|---|
| Permittee as filed | BLENKER SHERRY SANITARY DISTRI |
| NPDES ID | WI0031950 |
| 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 | September 30, 2009 |
| Expiration date | September 30, 2014 |
| Address | Sherry, WI 54454 |
| Receiving water | MILL CR |
| Subwatershed | Middle Mill Creek (HUC 070700030202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 8Pollutants on file
- 0Under a numeric limit
- 8With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 0 | 3 | 3 | May 31, 1994 | 122% over the limit |
| pH | 0 | 47 | 1 | September 30, 1992 | |
| BOD, 5-day, 20 deg. C | 0 | 92 | 0 | ||
| Solids, total suspended | 0 | 92 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 46 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 23 | 0 | ||
| Phosphorus, total [as P] | 0 | 23 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 20, 2023 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| July 1, 2023 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | 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, WI0031950.
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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 WI0031950 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.