Clean Water Act discharge permit · NPDES WI0021733
KEWASKUM WASTEWATER TREATMENT, Kewaskum, Village Of, WI: NPDES WI0021733 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
KEWASKUM WASTEWATER TREATMENT, held by KEWASKUM VILLAGE, holds NPDES permit WI0021733, which discharges to Milwaukee R. EPA’s file records it issued September 30, 2010 and expiring September 30, 2015. 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 | KEWASKUM WASTEWATER TREATMENT |
|---|---|
| Permittee as filed | KEWASKUM VILLAGE |
| NPDES ID | WI0021733 |
| 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 | September 30, 2010 |
| Expiration date | September 30, 2015 |
| Address | Kewaskum, Village Of, WI 53040 |
| Receiving water | MILWAUKEE R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Village of Kewaskum-Milwaukee River (HUC 040400030207) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 7Pollutants on file
- 0Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| Oxygen, dissolved [DO] | 0 | 17 | 2 | March 31, 2019 | 90% over the limit |
| pH | 0 | 31 | 1 | January 31, 2019 | |
| Chloride [as Cl] | 0 | 162 | 0 | ||
| Flow, in conduit or thru treatment plant | 0 | 60 | 0 | ||
| Phosphorus, total [as P] | 0 | 49 | 0 | ||
| BOD, 5-day, 20 deg. C | 0 | 30 | 0 | ||
| Solids, total suspended | 0 | 30 | 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 |
|---|---|---|
| March 15, 2024 | WW SSO - Discharge to Waters | ST6 |
| March 29, 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.
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 WI0021733 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.