Clean Water Act discharge permit · NPDES WI0025356
DEER PARK WASTEWATER TREATMENT FACILITY, Deer Park, WI: NPDES WI0025356 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 5Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
DEER PARK WASTEWATER TREATMENT FACILITY, held by Deer Park Village, holds NPDES permit WI0025356. EPA’s file records it issued October 22, 2009 and expiring September 30, 2014. 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 | DEER PARK WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | Deer Park Village |
| NPDES ID | WI0025356 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 22, 2009 |
| Expiration date | September 30, 2014 |
| Address | Deer Park, WI 54007 |
| Subwatershed | Black Brook-Willow River (HUC 070300051003) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 5Under a numeric limit
- 5With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 282 | 1 | July 31, 2023 | 179% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 282 | 1 | January 31, 2024 | 536% over the limit |
| pH | 0 | 103 | 1 | November 30, 2021 | |
| Coliform, fecal general | 0 | 20 | 1 | May 31, 2021 | 50% over the limit |
| BOD, 5-day, 20 deg. C | 2 | 332 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 0 | 0 | ||
| Phosphorus, total [as P] | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| July 1, 2023 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| March 25, 2019 | WW SSO - Discharge to Waters | 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.
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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 WI0025356 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.