Clean Water Act discharge permit · NPDES WI0024813
MONTELLO WASTEWATER TREATMENT FACILITY, Montello, WI: NPDES WI0024813 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
MONTELLO WASTEWATER TREATMENT FACILITY, held by City of Montello, holds NPDES permit WI0024813, which discharges to Fox R Upper Fox. EPA’s file records it issued June 18, 2012 and expiring June 30, 2017. 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 | MONTELLO WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | City of Montello |
| NPDES ID | WI0024813 |
| 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 | June 18, 2012 |
| Expiration date | June 30, 2017 |
| Address | Montello, WI 53949 |
| Receiving water | FOX R UPPER FOX |
| Subwatershed | Puckaway Lake-Fox River (HUC 040302010605) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 6Pollutants on file
- 6Under a numeric limit
- 6With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 1 | 22 | 5 | May 31, 2026 | 32% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 71 | 1 | February 28, 2022 | 26% over the limit |
| Solids, total suspended | 4 | 68 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 34 | 0 | ||
| pH | 2 | 24 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 21 | 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 WI0024813.
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.
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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 WI0024813 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.