WESTBROOK WWTP, Westbrook, MN: NPDES MNG585127 discharge permit, effluent exceedances, inspections, penalties

WESTBROOK WWTP, Westbrook, Minnesota: General permit coverage MNG585127, held by Westbrook city of; Publicly owned treatment works; Administratively continued; issued February 1, 2020, term to November 30, 2023, by STA.

10 of the 13 pollutants listed for NPDES MNG585127 have no violation or effluent exceedance.

• Solids, total suspended: 5 limits, 2 violations of any kind, 2 effluent exceedances, latest May 31, 2026, largest 24% over the limit.
• pH: 3 limits, 1 violation of any kind, 1 effluent exceedance, latest December 31, 2023.
• Coliform, fecal MPN + membrane ftl 44.5 C: 1 limit, 1 violation of any kind, 1 effluent exceedance, latest June 30, 2024, largest 51% over the limit.
• Flow, in conduit or thru treatment plant: 9 limits.
• BOD, carbonaceous [5 day, 20 C]: 5 limits.
• Phosphorus, total [as P]: 4 limits.
• Nitrogen, total [as N]: 2 limits.
• Nitrogen, Kjeldahl, total [as N]: 2 limits.
• Nitrite + Nitrate total [as N]: 2 limits.
• Precipitation, total defined period/in: 1 limit.
• Oxygen, dissolved [DO]: 1 limit.
• Nitrogen, ammonia total [as N]: 1 limit.
• Solids, total dissolved: 1 limit.

• September 22, 2026: Letter of Violation/ Warning Letter (State).
• September 17, 2026: Evaluation (S).

Minnesota holds 240 Publicly owned treatment works coverages of this permit type in EPA’s file; 88 were issued before MNG585127.

Coverages issued nearest MNG585127

• 2020-02-01: CLONTARF WWTP, Clontarf: MNG585108, held by Clontarf city of
• 2020-02-01: NEUHOF HUTTERIAN BRETHREN, Mountain Lake: MNG585113, held by Neuhof Hutterian Brethren
• 2020-02-01: REVERE WWTP, Revere: MNG585114, held by Revere city of
• 2020-02-01: SANBORN WWTP, Sanborn: MNG585115, held by Sanborn city of
• 2020-02-01: WANDA WWTP, Wanda: MNG585126, held by Wanda city of
• 2020-02-01: CAMPBELL WWTP, Campbell: MNG585130, held by Campbell city of
• 2020-02-01: SABIN WWTP, Sabin: MNG585133, held by Sabin city of
• 2020-02-01: BIG FALLS WWTP, Big Falls: MNG585135, held by Big Falls city of
• 2020-02-01: HALLOCK WWTP, Hallock: MNG585147, held by Hallock city of
• 2020-02-01: FELTON WWTP, Felton: MNG585149, held by Felton city of

WESTBROOK WWTP among its neighbors

2 discharge permits are in the Upper Highwater Creek subwatershed (HUC 070200080503); MNG585127 is one. Its county: 21, 1 major; MNG585127 is minor permit.

Other permits in the Upper Highwater Creek subwatershed (HUC 070200080503)

• MICK MADSON FARM - UNIT 4, Storden: MNG440717, minor, term to 2026-01-31