Clean Water Act discharge permit · NPDES MN0025224
TRI-CITY WASTEWATER TREATMENT SYSTEMS BOARD, Wells, MN: NPDES MN0025224 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
TRI-CITY WASTEWATER TREATMENT SYSTEMS BOARD, held by WELLS-EASTON-MINNESOTA LAKE, holds NPDES permit MN0025224, which discharges to Maple R Via Cd 87. EPA’s file records it issued May 22, 2014 and expiring April 30, 2019. 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 | TRI-CITY WASTEWATER TREATMENT SYSTEMS BOARD |
|---|---|
| Permittee as filed | WELLS-EASTON-MINNESOTA LAKE |
| NPDES ID | MN0025224 |
| 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 22, 2014 |
| Expiration date | April 30, 2019 |
| Address | Wells, MN 56097 |
| Receiving water | MAPLE R VIA CD 87 |
| Subwatershed | Headwaters Maple River (HUC 070200110501) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 20Pollutants on file
- 0Under a numeric limit
- 20With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 0 | 4 | 1 | September 30, 2025 | 11% over the limit |
| pH | 0 | 2 | 1 | September 30, 2025 | |
| Specific conductance | 0 | 3 | 0 | ||
| Bicarbonate ion- [as HCO3] | 0 | 3 | 0 | ||
| Nitrogen, total [as N] | 0 | 3 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 0 | 3 | 0 | ||
| Nitrite + Nitrate total [as N] | 0 | 3 | 0 | ||
| Calcium, total [as Ca] | 0 | 3 | 0 | ||
| Magnesium, total [as Mg] | 0 | 3 | 0 | ||
| Sodium, total [as Na] | 0 | 3 | 0 | ||
| Potassium, total [as K] | 0 | 3 | 0 | ||
| Sulfate, total [as SO4] | 0 | 3 | 0 | ||
| Hardness, Ca Mg Calculated [mg/L as CaCO3] | 0 | 3 | 0 | ||
| Mercury, total [as Hg] | 0 | 3 | 0 | ||
| Solids, total dissolved | 0 | 2 | 0 | ||
| Mercury, dissolved [as Hg] | 0 | 2 | 0 | ||
| Nitrogen, ammonia total [as N] | 0 | 1 | 0 | ||
| Phosphorus, total [as P] | 0 | 1 | 0 | ||
| Chloride [as Cl] | 0 | 1 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 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 MN0025224.
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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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 MN0025224 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.