Clean Water Act discharge permit · NPDES WI0021806
JACKSON SEWAGE TREATMENT PLANT, Jackson, WI: NPDES WI0021806 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 12Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
JACKSON SEWAGE TREATMENT PLANT, held by JACKSON (VILLAGE) WASTEWATER T, holds NPDES permit WI0021806, which discharges to Cedar Cr. EPA’s file records it issued September 27, 2010 and expiring September 30, 2015. 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 | JACKSON SEWAGE TREATMENT PLANT |
|---|---|
| Permittee as filed | JACKSON (VILLAGE) WASTEWATER T |
| NPDES ID | WI0021806 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | September 27, 2010 |
| Expiration date | September 30, 2015 |
| Address | Jackson, WI 53037 |
| Receiving water | CEDAR CR |
| Subwatershed | Jackson Marsh State Wildlife Area-Cedar Creek (HUC 040400030303) |
| Program components on file | Biosolids, POTW |
| 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
- 13Pollutants on file
- 12Under a numeric limit
- 11With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 3 | 142 | 23 | September 30, 2019 | 774% over the limit |
| Oxygen, dissolved [DO] | 1 | 20 | 20 | August 31, 2025 | 77% over the limit |
| Phosphorus, total [as P] | 4 | 16 | 16 | March 31, 2025 | 169% over the limit |
| BOD, 5-day, 20 deg. C | 8 | 11 | 11 | August 31, 2025 | 121% over the limit |
| Solids, total suspended | 5 | 11 | 11 | December 31, 2025 | 237% over the limit |
| Nitrogen, ammonia total [as N] | 17 | 13 | 10 | April 30, 2023 | 90% over the limit |
| Coliform, fecal general | 1 | 38 | 3 | June 30, 2024 | 41% over the limit |
| pH | 2 | 1 | 1 | May 31, 2007 | |
| Copper, total recoverable | 2 | 54 | 0 | ||
| Mercury, total recoverable | 2 | 28 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 15 | 0 | ||
| Chloride [as Cl] | 12 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 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 4, 2022 | Effluent Violations - Failed Toxicity Test | 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, WI0021806.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
How we handle your data → Privacy
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 WI0021806 there.
Nearby on the register
- Discharge permits in Jackson
- Every permit record in Jackson, A to Z
- Discharge permits in Wisconsin
- Every permit record in Wisconsin, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.