Clean Water Act discharge permit · NPDES WI0020591
MONDOVI WASTEWATER TREATMENT FACILITY, Mondovi, WI: NPDES WI0020591 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
MONDOVI WASTEWATER TREATMENT FACILITY, held by City of Mondovi, holds NPDES permit WI0020591, which discharges to Buffalo R. EPA’s file records it issued May 15, 2013 and expiring June 30, 2018. 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 | MONDOVI WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | City of Mondovi |
| NPDES ID | WI0020591 |
| 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 | May 15, 2013 |
| Expiration date | June 30, 2018 |
| Address | Mondovi, WI 54755 |
| Receiving water | BUFFALO R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Rossman Creek-Buffalo River (HUC 070400030108) |
| Program components on file | POTW, Pretreatment |
| 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
- 10Pollutants on file
- 8Under a numeric limit
- 10With a violation of any kind
- 7With 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 | 61 | 25 | September 30, 2023 | 240% over the limit |
| Copper, total recoverable | 2 | 150 | 12 | November 30, 2023 | 117% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 109 | 11 | December 31, 1991 | 50% over the limit |
| Coliform, fecal general | 0 | 62 | 4 | August 31, 2022 | 99,999% over the limit |
| Phosphorus, total [as P] | 1 | 49 | 4 | October 31, 2022 | 54% over the limit |
| Solids, total suspended | 4 | 175 | 3 | November 30, 2023 | 7% over the limit |
| BOD, carbonaceous [5 day, 5 C] | 2 | 161 | 1 | March 31, 2021 | 76% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 98 | 0 | ||
| pH | 2 | 74 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 6 | 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 WI0020591.
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, WI0020591.
Start the watch
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- One watershed — $2,990/year
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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 WI0020591 there.
Nearby on the register
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- Every permit record in Mondovi, A to Z
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- Every permit record in Wisconsin, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.