Clean Water Act discharge permit · NPDES MN0020222
SAINT MICHAEL WWTP, Saint Michael, MN: NPDES MN0020222 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 20Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
SAINT MICHAEL WWTP, held by City of Saint Michael, holds NPDES permit MN0020222. EPA’s file records it issued September 1, 2023 and expiring February 28, 2025. 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 | SAINT MICHAEL WWTP |
|---|---|
| Permittee as filed | City of Saint Michael |
| NPDES ID | MN0020222 |
| 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 | September 1, 2023 |
| Expiration date | February 28, 2025 |
| Issuing agency | STA |
| Address | Saint Michael, MN 55376 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | City of Rockford-Crow River (HUC 070102040701) |
| 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
- 20Pollutants on file
- 20Under a numeric limit
- 12With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 5 | 12 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 11 | 4 | 0 | ||
| Solids, total suspended | 8 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 3 | 0 | ||
| Nitrogen, ammonia total [as N] | 6 | 2 | 0 | ||
| pH | 4 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 2 | 1 | 0 | ||
| Nitrogen, total [as N] | 2 | 1 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 1 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 1 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 1 | 0 | ||
| Solids, suspended percent removal | 1 | 1 | 0 | ||
| Copper, total [as Cu] | 2 | 0 | 0 | ||
| Precipitation, total defined period/in | 1 | 0 | 0 | ||
| Cyanide, free [amenable to chlorination] | 1 | 0 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 1 | 0 | 0 | ||
| Coliform, fecal MPN + membrane ftl 44.5 C | 1 | 0 | 0 | ||
| Solids, total dissolved | 1 | 0 | 0 | ||
| Mercury, dissolved [as Hg] | 1 | 0 | 0 | ||
| Mercury, total [as Hg] | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES MN0020222.
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 |
|---|---|---|
| March 1, 2022 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | ST6 |
| September 7, 2021 | Reporting Violations - Failure to submit required report (non-DMR non-pretreatment) | 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 MN0020222 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.