Clean Water Act discharge permit · NPDES MN0023973
LITCHFIELD WWTP, Litchfield, MN: NPDES MN0023973 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 30Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
LITCHFIELD WWTP, held by Litchfield WWTP, holds NPDES permit MN0023973, which discharges to Jewett Cr. EPA’s file records it issued July 1, 2014 and expiring May 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 | LITCHFIELD WWTP |
|---|---|
| Permittee as filed | Litchfield WWTP |
| NPDES ID | MN0023973 |
| 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 | July 1, 2014 |
| Expiration date | May 31, 2019 |
| Address | Litchfield, MN 55355 |
| Receiving water | JEWETT CR |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Jewetts Creek (HUC 070102040305) |
| 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
- 30Pollutants on file
- 30Under a numeric limit
- 21With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| BOD, carbonaceous [5 day, 20 C] | 6 | 44 | 44 | February 28, 2026 | 1,892% over the limit |
| Phosphorus, total [as P] | 4 | 9 | 8 | July 31, 2026 | 122% over the limit |
| Nitrogen, ammonia total [as N] | 8 | 8 | 8 | June 30, 2026 | 43% over the limit |
| Solids, total suspended | 8 | 6 | 6 | July 31, 2021 | 223% over the limit |
| Coliform, fecal MPN + membrane ftl 44.5 C | 1 | 5 | 5 | April 30, 2011 | 183% over the limit |
| Chlorine, total residual | 1 | 5 | 5 | June 30, 2011 | 189% over the limit |
| Chloride [as Cl] | 1 | 2 | 1 | April 30, 2026 | 8% over the limit |
| Oxygen, dissolved [DO] | 1 | 1 | 1 | June 30, 2025 | 12% over the limit |
| Flow, in conduit or thru treatment plant | 6 | 2 | 0 | ||
| Copper, total [as Cu] | 2 | 2 | 0 | ||
| Silver, total [as Ag] | 2 | 2 | 0 | ||
| Selenium, total [as Se] | 2 | 2 | 0 | ||
| Specific conductance | 1 | 1 | 0 | ||
| Bicarbonate ion- [as HCO3] | 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 | ||
| Sulfate, total [as SO4] | 1 | 1 | 0 | ||
| Hardness, Ca Mg Calculated [mg/L as CaCO3] | 1 | 1 | 0 | ||
| Solids, total dissolved | 1 | 1 | 0 | ||
| pH | 4 | 0 | 0 | ||
| Mercury, total [as Hg] | 3 | 0 | 0 | ||
| Mercury, dissolved [as Hg] | 2 | 0 | 0 | ||
| Precipitation, total defined period/in | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Di[2-ethylhexyl] phthalate [DEHP] | 1 | 0 | 0 | ||
| BOD, carb-5 day, 20 deg C, percent removal | 1 | 0 | 0 | ||
| Solids, suspended 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
- 6Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 10, 2022 | Pretreatment - Failure to Enforce Against I/U | ST6 |
| May 10, 2022 | Pretreatment - Baseline Monitoring Report Violation | ST6 |
| May 10, 2022 | Management Practice Violations - Best Management Practice Deficiencies | ST6 |
| May 10, 2022 | Biosolids - Land Application: Applied to Land at Greater than the Agronomic Rate Violation | ST6 |
| May 6, 2022 | Effluent Violations - Unapproved Bypass | ST6 |
| July 10, 2021 | Effluent Violations - Unapproved Bypass | 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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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.