Clean Water Act discharge permit · NPDES MN0021849
WALDORF WWTP, Waldorf, MN: NPDES MN0021849 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 21Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
WALDORF WWTP, held by Waldorf city of, holds NPDES permit MN0021849. EPA’s file records it issued June 1, 2022 and expiring January 31, 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 | WALDORF WWTP |
|---|---|
| Permittee as filed | Waldorf city of |
| NPDES ID | MN0021849 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | June 1, 2022 |
| Expiration date | January 31, 2025 |
| Issuing agency | STA |
| Address | Waldorf, MN 56092 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Severson Lake-Little Cobb River (HUC 070200110202) |
| 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
- 23Pollutants on file
- 21Under a numeric limit
- 17With a violation of any kind
- 5With 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 | 5 | 7 | 7 | July 31, 2024 | 177% over the limit |
| pH | 3 | 1 | 1 | November 30, 2023 | |
| Coliform, fecal MPN + membrane ftl 44.5 C | 1 | 1 | 1 | July 31, 2021 | 836% over the limit |
| BOD, carb-5 day, 20 deg C, percent removal | 0 | 1 | 1 | April 30, 2020 | 27% over the limit |
| Solids, suspended percent removal | 0 | 1 | 1 | May 31, 2021 | 147% over the limit |
| Bicarbonate ion- [as HCO3] | 1 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 2 | 1 | 0 | ||
| Specific conductance | 1 | 1 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 0 | ||
| Calcium, total [as Ca] | 1 | 1 | 0 | ||
| Magnesium, total [as Mg] | 1 | 1 | 0 | ||
| Sodium, total [as Na] | 1 | 1 | 0 | ||
| Potassium, total [as K] | 1 | 1 | 0 | ||
| Chloride [as Cl] | 1 | 1 | 0 | ||
| Sulfate, total [as SO4] | 1 | 1 | 0 | ||
| Hardness, Ca Mg Calculated [mg/L as CaCO3] | 1 | 1 | 0 | ||
| Solids, total dissolved | 1 | 1 | 0 | ||
| Flow, in conduit or thru treatment plant | 9 | 0 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 5 | 0 | 0 | ||
| Phosphorus, total [as P] | 4 | 0 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 2 | 0 | 0 | ||
| Precipitation, total defined period/in | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES MN0021849.
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 MN0021849 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.