Clean Water Act discharge permit · NPDES WI0021296
RIDGELAND WASTEWATER TREATMENT PLANT, Ridgeland, WI: NPDES WI0021296 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 6Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
RIDGELAND WASTEWATER TREATMENT PLANT, held by Village of Ridgeland, holds NPDES permit WI0021296, which discharges to Pine Cr. EPA’s file records it issued October 21, 2013 and expiring September 30, 2018. 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 | RIDGELAND WASTEWATER TREATMENT PLANT |
|---|---|
| Permittee as filed | Village of Ridgeland |
| NPDES ID | WI0021296 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | October 21, 2013 |
| Expiration date | September 30, 2018 |
| Address | Ridgeland, WI 54763 |
| Receiving water | PINE CR |
| Subwatershed | Lower Pine Creek (HUC 070500070703) |
| 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
- 7Pollutants on file
- 6Under a numeric limit
- 7With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| pH | 0 | 82 | 4 | May 31, 1992 | |
| BOD, 5-day, 20 deg. C | 2 | 193 | 2 | May 31, 2026 | 3% over the limit |
| Solids, total suspended | 2 | 159 | 1 | May 31, 2023 | 26% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 73 | 0 | ||
| Nitrogen, ammonia total [as N] | 1 | 47 | 0 | ||
| Temperature, water deg. fahrenheit | 1 | 18 | 0 | ||
| Phosphorus, total [as P] | 2 | 17 | 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 WI0021296.
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 WI0021296 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.