FARMINGTON EAST WWTP

NPDES ID: MO0028860

E — SNC: Effluent violation (monthly average limit)

The facility discharged more of a pollutant than its permit allows, based on a monthly average.

This quarter: 6 effluent violations.

Violations

June 30, 2026

Nitrogen, ammonia total [as N]

150% over limit

Discharged 2 mg/L against a permitted limit of 0.8 mg/L (MO AVG)

DMR, Limited - Numeric Violation

May 31, 2026

E. coli

4483% over limit

Discharged 47200 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)

DMR, Limited - Numeric Violation

E. coli

4894% over limit

Discharged 10288 MPN/100mL against a permitted limit of 206 MPN/100mL (30DA GM)

DMR, Limited - Numeric Violation

Nitrogen, ammonia total [as N]

150% over limit

Discharged 2 mg/L against a permitted limit of 0.8 mg/L (MO AVG)

DMR, Limited - Numeric Violation

BOD, carbonaceous, percent removal

13% over limit

Discharged 83 % against a permitted limit of 85 % (MO AV MN)

DMR, Limited - Numeric Violation

April 30, 2026

E. coli

21% over limit

Discharged 1250 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)

DMR, Limited - Numeric Violation

February 28, 2026

Phosphorus, total [as P]

27% over limit

Discharged 3.81 mg/L against a permitted limit of 3 mg/L (ANNL AVG)

DMR, Limited - Numeric Violation

January 31, 2026

Phosphorus, total [as P]

82% over limit

Discharged 5.45 mg/L against a permitted limit of 3 mg/L (ANNL AVG)

DMR, Limited - Numeric Violation

August 31, 2024

Nitrogen, nitrate total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Phosphorus, total [as P]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 10 mg/L (MO AVG)

DMR, Limited - Overdue

Nitrogen, nitrite total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

E. coli

567% over limit

Discharged 6870 MPN/100mL against a permitted limit of 1030 MPN/100mL (7 DA GEO)

DMR, Limited - Numeric Violation

Nitrite + Nitrate total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 4.3 mg/L (DAILY MX)

DMR, Limited - Overdue

Phosphorus, total [as P]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Nitrogen, Kjeldahl, total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Nitrogen, total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Phosphorus, total [as P]

0% over limit

Discharged 0 mg/L against a permitted limit of 3 mg/L (ANNL AVG)

DMR, Limited - Overdue

Nitrite + Nitrate total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Nitrogen, total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Nitrite + Nitrate total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Nitrogen, nitrite total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

Nitrogen, Kjeldahl, total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Nitrogen, nitrate total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Oil and grease [soxhlet extr.] tot.

0% over limit

Discharged 0 mg/L against a permitted limit of 15 mg/L (DAILY MX)

DMR, Limited - Overdue

Phosphorus, total [as P]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Phosphorus, total [as P]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Nitrogen, Kjeldahl, total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)

DMR, Monitor Only - Overdue

Nitrogen, ammonia total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0.8 mg/L (MO AVG)

DMR, Limited - Overdue

Nitrogen, Kjeldahl, total [as N]

0% over limit

Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)

DMR, Monitor Only - Overdue

First flagged

April 14, 2026 (4 months ago)

Last confirmed

August 15, 2026 (4 hours ago)