Clean Water Act discharge permit · NPDES WI0031402
WI DELLS LAKE DELTON SEW COMM, Lake Delton, WI: NPDES WI0031402 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 10Pollutants under a numeric limit
- 1Pollutants with an effluent exceedance
WI DELLS LAKE DELTON SEW COMM, held by WI DELLS LK DELTON SEWERAGE CO, holds NPDES permit WI0031402, which discharges to Wisconsin R. EPA’s file records it issued July 7, 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 | WI DELLS LAKE DELTON SEW COMM |
|---|---|
| Permittee as filed | WI DELLS LK DELTON SEWERAGE CO |
| NPDES ID | WI0031402 |
| 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 | July 7, 2010 |
| Expiration date | September 30, 2015 |
| Address | Lake Delton, WI 53940 |
| Receiving water | WISCONSIN R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Hulburt Creek-Wisconsin River (HUC 070700031906) |
| 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
- 10Under a numeric limit
- 6With a violation of any kind
- 1With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 2 | 16 | 16 | June 30, 2023 | 200% over the limit |
| Mercury, total recoverable | 3 | 258 | 0 | ||
| Nitrogen, total [as N] | 0 | 87 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 87 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 87 | 0 | ||
| Coliform, fecal general | 1 | 54 | 0 | ||
| BOD, 5-day, 20 deg. C | 7 | 0 | 0 | ||
| Solids, total suspended | 7 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 6 | 0 | 0 | ||
| pH | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 0 | 0 | ||
| Chloride [as Cl] | 2 | 0 | 0 | ||
| Hardness, total [as CaCO3] | 1 | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES WI0031402.
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, WI0031402.
Start the watch
- One permit holder — $99/month
- One watershed — $2,990/year
- One state — $4,990/year
- The whole register — $18,000/year
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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 WI0031402 there.
Nearby on the register
- Discharge permits in Lake Delton
- Every permit record in Lake Delton, 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.