Clean Water Act discharge permit · NPDES WI0030767
ASHLAND SEWAGE UTILITY, Ashland, WI: NPDES WI0030767 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 10Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
ASHLAND SEWAGE UTILITY holds NPDES permit WI0030767, which discharges to L Superior. EPA’s file records it issued December 22, 2010 and expiring December 31, 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 | ASHLAND SEWAGE UTILITY |
|---|---|
| Permittee as filed | ASHLAND SEWAGE UTILITY |
| NPDES ID | WI0030767 |
| 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 | December 22, 2010 |
| Expiration date | December 31, 2015 |
| Address | Ashland, WI 54806 |
| Receiving water | L SUPERIOR |
| 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
- 10Pollutants on file
- 10Under a numeric limit
- 8With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| pH | 2 | 51 | 49 | October 31, 2022 | |
| Phosphorus, total [as P] | 2 | 10 | 9 | October 31, 2021 | 43% over the limit |
| Mercury, total recoverable | 2 | 55 | 1 | December 31, 2024 | 91% over the limit |
| Coliform, fecal general | 1 | 51 | 0 | ||
| BOD, 5-day, 20 deg. C | 5 | 5 | 0 | ||
| Solids, total suspended | 5 | 5 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| E. coli | 2 | 2 | 0 | ||
| Temperature, water deg. fahrenheit | 2 | 0 | 0 | ||
| Nitrogen, ammonia total [as N] | 2 | 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
- 10Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 9, 2025 | WW SSO - Discharge to Waters | ST6 |
| April 20, 2023 | WW SSO - Discharge to Waters | ST6 |
| April 10, 2023 | WW SSO - Discharge to Waters | ST6 |
| September 14, 2021 | WW SSO - Discharge to Waters | ST6 |
| March 30, 2020 | WW SSO - Discharge to Waters | ST6 |
| April 23, 2019 | WW SSO - Discharge to Waters | ST6 |
| April 22, 2019 | WW SSO - Discharge to Waters | ST6 |
| October 10, 2018 | WW SSO - Discharge to Waters | ST6 |
| June 17, 2018 | WW SSO - Discharge to Waters | ST6 |
| May 18, 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.
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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 WI0030767 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.