Clean Water Act discharge permit · NPDES MN0053392
NASHWAUK WWTP, Nashwauk, MN: NPDES MN0053392 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
NASHWAUK WWTP, held by NASHWAUK, holds NPDES permit MN0053392, which discharges to Hanna Reservoir #2. EPA’s file records it issued May 3, 2007 and expiring April 30, 2012. 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 | NASHWAUK WWTP |
|---|---|
| Permittee as filed | NASHWAUK |
| NPDES ID | MN0053392 |
| 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 | May 3, 2007 |
| Expiration date | April 30, 2012 |
| Address | Nashwauk, MN 55769 |
| Receiving water | HANNA RESERVOIR #2 |
| Subwatershed | Hay Creek (HUC 070101030401) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 0Under a numeric limit
- 19With a violation of any kind
- 6With 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 | 28 | 8 | January 31, 2025 | 1,255% over the limit |
| Solids, suspended percent removal | 0 | 8 | 8 | April 30, 2026 | 480% over the limit |
| pH | 0 | 12 | 4 | September 30, 2023 | |
| BOD, carb-5 day, 20 deg C, percent removal | 0 | 4 | 4 | January 31, 2026 | 567% over the limit |
| Solids, total suspended | 0 | 8 | 2 | October 31, 2021 | 29% over the limit |
| Oxygen, dissolved [DO] | 0 | 4 | 1 | September 30, 2025 | 8% over the limit |
| Flow, in conduit or thru treatment plant | 0 | 23 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 0 | 6 | 0 | ||
| Coliform, fecal MPN + membrane ftl 44.5 C | 0 | 2 | 0 | ||
| Specific conductance | 0 | 1 | 0 | ||
| Bicarbonate ion- [as HCO3] | 0 | 1 | 0 | ||
| Calcium, total [as Ca] | 0 | 1 | 0 | ||
| Magnesium, total [as Mg] | 0 | 1 | 0 | ||
| Sodium, total [as Na] | 0 | 1 | 0 | ||
| Potassium, total [as K] | 0 | 1 | 0 | ||
| Chloride [as Cl] | 0 | 1 | 0 | ||
| Sulfate, total [as SO4] | 0 | 1 | 0 | ||
| Hardness, Ca Mg Calculated [mg/L as CaCO3] | 0 | 1 | 0 | ||
| Solids, total dissolved | 0 | 1 | 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 MN0053392.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 MN0053392 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.