Clean Water Act discharge permit · NPDES WI0036811
ONION RIVER WASTEWATER COMMISSION, Lima, WI: NPDES WI0036811 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
ONION RIVER WASTEWATER COMMISSION, held by Onion River Wastewater Commission, holds NPDES permit WI0036811, which discharges to Onion River In S. EPA’s file records it issued September 20, 2013 and expiring September 30, 2018. 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 | ONION RIVER WASTEWATER COMMISSION |
|---|---|
| Permittee as filed | Onion River Wastewater Commission |
| NPDES ID | WI0036811 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 20, 2013 |
| Expiration date | September 30, 2018 |
| Address | Lima, WI 53031 |
| Receiving water | ONION RIVER IN S |
| Subwatershed | Middle Onion River (HUC 040301011003) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 6Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| pH | 2 | 22 | 4 | February 28, 2022 | |
| Nitrogen, ammonia total [as N] | 1 | 12 | 3 | December 31, 2025 | 348% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 57 | 1 | July 31, 2024 | 21% over the limit |
| Solids, total suspended | 4 | 54 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 52 | 0 | ||
| Coliform, fecal general | 0 | 44 | 0 | ||
| Phosphorus, total [as P] | 1 | 12 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WI0036811.
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, WI0036811.
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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 WI0036811 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.