Clean Water Act discharge permit · NPDES MN0020290
MELROSE WWTP, Melrose, MN: NPDES MN0020290 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 26Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
MELROSE WWTP, held by Melrose WWTP, holds NPDES permit MN0020290, which discharges to Sauk R. EPA’s file records it issued September 1, 2014 and expiring July 31, 2019. 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 | MELROSE WWTP |
|---|---|
| Permittee as filed | Melrose WWTP |
| NPDES ID | MN0020290 |
| 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, 2014 |
| Expiration date | July 31, 2019 |
| Address | Melrose, MN 56352 |
| Receiving water | SAUK R |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | City of Melrose-Sauk River (HUC 070102020304) |
| 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
- 27Pollutants on file
- 26Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 8 | 10 | 10 | June 30, 2025 | 179% over the limit |
| Solids, suspended percent removal | 1 | 4 | 4 | December 31, 2022 | 33% over the limit |
| Chloride [as Cl] | 1 | 3 | 3 | April 30, 2025 | 28% over the limit |
| Phosphorus, total [as P] | 4 | 17 | 2 | November 30, 2023 | 20% over the limit |
| Oxygen, dissolved [DO] | 2 | 2 | 2 | August 31, 2025 | 5% over the limit |
| Coliform, fecal MPN + membrane ftl 44.5 C | 1 | 1 | 1 | April 30, 2024 | 125% over the limit |
| Nitrogen, Kjeldahl, total [as N] | 1 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 2 | 0 | ||
| Nitrogen, total [as N] | 0 | 2 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 10 | 0 | 0 | ||
| Solids, total suspended | 7 | 0 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 0 | 0 | ||
| Solids, total dissolved | 2 | 0 | 0 | ||
| Specific conductance | 1 | 0 | 0 | ||
| Precipitation, total defined period/in | 1 | 0 | 0 | ||
| Bicarbonate ion- [as HCO3] | 1 | 0 | 0 | ||
| Calcium, total [as Ca] | 1 | 0 | 0 | ||
| Magnesium, total [as Mg] | 1 | 0 | 0 | ||
| Sodium, total [as Na] | 1 | 0 | 0 | ||
| Potassium, total [as K] | 1 | 0 | 0 | ||
| Sulfate, total [as SO4] | 1 | 0 | 0 | ||
| Hardness, Ca Mg Calculated [mg/L as CaCO3] | 1 | 0 | 0 | ||
| Chlorine, total residual | 1 | 0 | 0 | ||
| Mercury, dissolved [as Hg] | 1 | 0 | 0 | ||
| Mercury, total [as Hg] | 1 | 0 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| January 7, 2025 | Dry-weather SSO discharge to waters of the U.S. that may endanger health or the environment | ST6 |
| January 7, 2025 | 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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, MN0020290.
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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 MN0020290 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.