Clean Water Act discharge permit · NPDES WI0060526
UNITY WASTEWATER TREATMENT FACILITY, Unity, WI: NPDES WI0060526 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
UNITY WASTEWATER TREATMENT FACILITY, held by Village of Unity, holds NPDES permit WI0060526, which discharges to Little Eau Plein. EPA’s file records it issued March 29, 2012 and expiring March 31, 2017. 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 | UNITY WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | Village of Unity |
| NPDES ID | WI0060526 |
| 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 29, 2012 |
| Expiration date | March 31, 2017 |
| Address | Unity, WI 54488 |
| Receiving water | LITTLE EAU PLEIN |
| Subwatershed | Carlson Creek-Little Eau Pleine River (HUC 070700021701) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 7Under a numeric limit
- 10With a violation of any kind
- 5With 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 | 4 | 74 | 22 | April 30, 2018 | 153% over the limit |
| Solids, total suspended | 4 | 68 | 16 | August 31, 2025 | 123% over the limit |
| pH | 2 | 31 | 5 | February 28, 2025 | |
| Flow, in conduit or thru treatment plant | 3 | 43 | 3 | April 30, 2026 | 394% over the limit |
| Phosphorus, total [as P] | 1 | 17 | 2 | August 31, 2025 | 87% over the limit |
| Chloride [as Cl] | 1 | 20 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 13 | 0 | ||
| Nitrogen, total [as N] | 0 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 1 | 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 WI0060526.
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
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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 WI0060526 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.