Clean Water Act discharge permit · NPDES WI0020907
MOUNT HOPE WASTEWATER TREATMENT FACILITY, Mount Hope, WI: NPDES WI0020907 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 11Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
MOUNT HOPE WASTEWATER TREATMENT FACILITY, held by VILLAGE OF MOUNT HOPE, holds NPDES permit WI0020907, which discharges to Little Grant R V. EPA’s file records it issued March 28, 2016 and expiring March 31, 2021. 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 | MOUNT HOPE WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | VILLAGE OF MOUNT HOPE |
| NPDES ID | WI0020907 |
| 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 28, 2016 |
| Expiration date | March 31, 2021 |
| Address | Mount Hope, WI 53816 |
| Receiving water | LITTLE GRANT R V |
| Subwatershed | Little Grant River (HUC 070600030103) |
| 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
- 12Pollutants on file
- 11Under a numeric limit
- 11With a violation of any kind
- 4With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 0 | 67 | 67 | July 31, 1994 | 99,999% over the limit |
| BOD, 5-day, 20 deg. C | 4 | 52 | 6 | March 31, 2025 | 99,999% over the limit |
| Solids, total suspended | 4 | 18 | 6 | March 31, 2025 | 50% over the limit |
| Phosphorus, total [as P] | 1 | 8 | 2 | July 31, 2018 | 2% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 36 | 0 | ||
| Nitrogen, total [as N] | 2 | 24 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 24 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 24 | 0 | ||
| pH | 2 | 12 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 6 | 0 | ||
| Chloride [as Cl] | 1 | 2 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| April 1, 2024 | Permit Violations - Violation Specified in Comment | ST6 |
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, WI0020907.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 WI0020907 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.