Clean Water Act discharge permit · NPDES WI0028053
ALLENTON SANITARY DISTRICT WWTP, Allenton, WI: NPDES WI0028053 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
ALLENTON SANITARY DISTRICT WWTP, held by ALLENTON SANITARY DISTRICT WWT, holds NPDES permit WI0028053, which discharges to Rock R E Branch. EPA’s file records it issued July 1, 2010 and expiring June 30, 2015. 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 | ALLENTON SANITARY DISTRICT WWTP |
|---|---|
| Permittee as filed | ALLENTON SANITARY DISTRICT WWT |
| NPDES ID | WI0028053 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | July 1, 2010 |
| Expiration date | June 30, 2015 |
| Address | Allenton, WI 53002 |
| Receiving water | ROCK R E BRANCH |
| Subwatershed | Limestone Creek-East Branch Rock River (HUC 070900010105) |
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
- 1With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 0 | 19 | 1 | August 31, 2022 | 15% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 80 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 36 | 0 | ||
| pH | 0 | 36 | 0 | ||
| Solids, total suspended | 0 | 36 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 36 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 4 | 0 | ||
| Chloride [as Cl] | 0 | 4 | 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 |
|---|---|---|
| March 16, 2021 | 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
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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 WI0028053 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.