Clean Water Act discharge permit · NPDES WI0024830
MONTICELLO WASTEWATER TREATMENT FACILITY, Monticello, WI: NPDES WI0024830 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
MONTICELLO WASTEWATER TREATMENT FACILITY, held by VILLAGE OF MONTICELLO, holds NPDES permit WI0024830, which discharges to Sugar R W Br. EPA’s file records it issued March 15, 2013 and expiring March 31, 2018. 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 | MONTICELLO WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | VILLAGE OF MONTICELLO |
| NPDES ID | WI0024830 |
| 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 | March 15, 2013 |
| Expiration date | March 31, 2018 |
| Address | Monticello, WI 53570 |
| Receiving water | SUGAR R W BR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | West Branch Little Sugar River (HUC 070900040401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 7Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 2 | 98 | 21 | June 30, 2025 | 1,968% over the limit |
| Phosphorus, total [as P] | 1 | 33 | 16 | April 30, 2026 | 1,262% over the limit |
| Coliform, fecal general | 0 | 64 | 9 | September 30, 2018 | 815% over the limit |
| Solids, total suspended | 2 | 85 | 8 | June 30, 2025 | 237% over the limit |
| Nitrogen, ammonia total [as N] | 0 | 40 | 7 | June 30, 2025 | 104% over the limit |
| Chlorine, total residual | 0 | 4 | 4 | October 31, 1989 | 20% over the limit |
| pH | 2 | 35 | 1 | June 30, 2022 | |
| Flow, in conduit or thru treatment plant | 4 | 68 | 0 | ||
| Chloride [as Cl] | 1 | 6 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 0 | 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 WI0024830.
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 WI0024830 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.