Clean Water Act discharge permit · NPDES MN0071749
WILMES LAKE ALUM TREATMENT FACILITY, Woodbury, MN: NPDES MN0071749 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 9Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
WILMES LAKE ALUM TREATMENT FACILITY, held by Woodbury city of, holds NPDES permit MN0071749. EPA’s file records it issued August 1, 2023 and expiring July 31, 2028. 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 | WILMES LAKE ALUM TREATMENT FACILITY |
|---|---|
| Permittee as filed | Woodbury city of |
| NPDES ID | MN0071749 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 1, 2023 |
| Expiration date | July 31, 2028 |
| Issuing agency | STA |
| Address | Woodbury, MN 55125 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Colby Lake (HUC 070102060902) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 9Pollutants on file
- 9Under a numeric limit
- 9With a violation of any kind
- 0With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 6 | 18 | 0 | ||
| pH | 4 | 12 | 0 | ||
| Solids, total suspended | 4 | 12 | 0 | ||
| Phosphorus, total [as P] | 2 | 6 | 0 | ||
| Precipitation, total defined period/in | 1 | 3 | 0 | ||
| Nitrogen, total [as N] | 1 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 1 | 0 | ||
| Solids, total dissolved | 1 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MN0071749.
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 MN0071749.
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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- 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 MN0071749 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.