Clean Water Act discharge permit · NPDES WI0020133
NECEDAH WASTEWATER TREATMENT FACILITY, Necedah, WI: NPDES WI0020133 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
NECEDAH WASTEWATER TREATMENT FACILITY, held by Village of Necedah, holds NPDES permit WI0020133, which discharges to Yellow R. EPA’s file records it issued March 28, 2012 and expiring March 31, 2017. 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 | NECEDAH WASTEWATER TREATMENT FACILITY |
|---|---|
| Permittee as filed | Village of Necedah |
| NPDES ID | WI0020133 |
| 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 28, 2012 |
| Expiration date | March 31, 2017 |
| Address | Necedah, WI 54646 |
| Receiving water | YELLOW R |
| Subwatershed | Mead Marsh-Yellow River (HUC 070700031301) |
| 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
- 10Pollutants on file
- 7Under a numeric limit
- 10With 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 |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 4 | 27 | 3 | January 31, 2025 | 79% over the limit |
| Solids, total suspended | 4 | 26 | 2 | January 31, 2025 | 79% over the limit |
| pH | 2 | 13 | 1 | October 31, 2022 | |
| Chlorine, total residual | 0 | 1 | 1 | January 31, 1989 | 60% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 24 | 0 | ||
| Copper, total recoverable | 1 | 10 | 0 | ||
| Zinc, total recoverable | 1 | 8 | 0 | ||
| Phosphorus, total [as P] | 1 | 6 | 0 | ||
| Hardness, total [as CaCO3] | 0 | 2 | 0 | ||
| Coliform, fecal general | 0 | 1 | 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 |
|---|---|---|
| May 19, 2021 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| August 21, 2017 | 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 WI0020133 there.
Nearby on the register
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- Every permit record in Wisconsin, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.