Clean Water Act discharge permit · NPDES WI0025011
OMRO WASTEWATER TREATMENT FACILITY, Omro, WI: NPDES WI0025011 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
OMRO WASTEWATER TREATMENT FACILITY, held by OMRO WASTEWATER TREATMENT FACI, holds NPDES permit WI0025011, which discharges to Fox R. EPA’s file records it issued September 26, 2007 and expiring March 31, 2012. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | OMRO WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | OMRO WASTEWATER TREATMENT FACI |
| NPDES ID | WI0025011 |
| 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 26, 2007 |
| Expiration date | March 31, 2012 |
| Address | Omro, WI 54963 |
| Receiving water | FOX R |
| Subwatershed | Lake Butte des Mortes-Fox River (HUC 040302011205) |
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 | 9 | 9 | September 30, 1993 | 44% over the limit |
| Phosphorus, total [as P] | 0 | 109 | 1 | January 31, 1992 | 120% over the limit |
| Nitrogen, ammonia total [as N] | 0 | 88 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 72 | 0 | ||
| Solids, total suspended | 0 | 72 | 0 | ||
| pH | 0 | 36 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 36 | 0 | ||
| Coliform, fecal general | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WI0025011.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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, WI0025011.
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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 WI0025011 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.