Clean Water Act discharge permit · NPDES WI0028975
ROXBURY SANITARY DISTRICT #1 WWTF, Roxbury, WI: NPDES WI0028975 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 4Pollutants with an effluent exceedance
ROXBURY SANITARY DISTRICT #1 WWTF, held by ROXBURY SANITARY DISTRICT #1 W, holds NPDES permit WI0028975, which discharges to Roxbury Cr And G. EPA’s file records it issued March 23, 2007 and expiring March 31, 2012. 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 | ROXBURY SANITARY DISTRICT #1 WWTF |
|---|---|
| Permittee as filed | ROXBURY SANITARY DISTRICT #1 W |
| NPDES ID | WI0028975 |
| 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 23, 2007 |
| Expiration date | March 31, 2012 |
| Address | Roxbury, WI 53583 |
| Receiving water | ROXBURY CR AND G |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Roxbury Creek (HUC 070700050301) |
| 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
- 0Under a numeric limit
- 7With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 0 | 36 | 18 | August 31, 2023 | 76% over the limit |
| BOD, 5-day, 20 deg. C | 0 | 52 | 16 | October 31, 2025 | 99,999% over the limit |
| Oxygen, dissolved [DO] | 0 | 22 | 4 | August 31, 2025 | 14% over the limit |
| Solids, total suspended | 0 | 39 | 3 | November 30, 2019 | 267% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 46 | 0 | ||
| Temperature, water deg. fahrenheit | 0 | 6 | 0 | ||
| Chloride [as Cl] | 0 | 6 | 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 WI0028975.
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 WI0028975 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.