Clean Water Act discharge permit · NPDES WI0020486
IRON RIDGE VILLAGE, Iron Ridge, WI: NPDES WI0020486 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
IRON RIDGE VILLAGE, held by IRON RIDGE WASTEWATER TREATMEN, holds NPDES permit WI0020486, which discharges to Wildcat Creek. EPA’s file records it issued March 31, 2009 and expiring March 31, 2014. 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 | IRON RIDGE VILLAGE |
|---|---|
| Permittee as filed | IRON RIDGE WASTEWATER TREATMEN |
| NPDES ID | WI0020486 |
| 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 31, 2009 |
| Expiration date | March 31, 2014 |
| Address | Iron Ridge, WI 53035 |
| Receiving water | WILDCAT CREEK |
| Subwatershed | Wildcat Creek (HUC 070900010402) |
| 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
- 8Pollutants on file
- 0Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 0 | 64 | 2 | August 31, 2018 | 128% over the limit |
| BOD, carbonaceous [5 day, 5 C] | 0 | 21 | 1 | December 31, 2018 | 8% over the limit |
| Phosphorus, total [as P] | 0 | 40 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 40 | 0 | ||
| pH | 0 | 22 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 20 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 20 | 0 | ||
| Oxygen, dissolved [DO] | 0 | 10 | 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
- 4Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 10, 2025 | WW SSO - Discharge to Waters | ST6 |
| June 4, 2024 | WW SSO - Discharge to Waters | ST6 |
| June 3, 2024 | WW SSO - Discharge to Waters | ST6 |
| April 12, 2022 | 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.
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, WI0020486.
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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 WI0020486 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.