NPDES ID: MO0131695
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: 5 effluent violations.
Violations
June 30, 2026
Nitrogen, ammonia total [as N]
115% over limit
Discharged 26 mg/L against a permitted limit of 12.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1200% over limit
Discharged 26 mg/L against a permitted limit of 2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
7710% over limit
Discharged 9840 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
330% over limit
Discharged 43 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
187% over limit
Discharged 43 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
March 31, 2026
BOD, 5-day, 20 deg. C
67% over limit
Discharged 25 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
255% over limit
Discharged 11 mg/L against a permitted limit of 3.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
150% over limit
Discharged 25 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
18948% over limit
Discharged 24000 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
E. coli
917% over limit
Discharged 1281 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
E. coli
3698% over limit
Discharged 4786 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
41% over limit
Discharged 17.1 mg/L against a permitted limit of 12.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
E. coli
2925% over limit
Discharged 3811 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
52% over limit
Discharged 4.7 mg/L against a permitted limit of 3.1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
E. coli
0% over limit
Discharged 859 MPN/100mL against a permitted limit of 0 MPN/100mL (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.2 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 7.2 mg/L against a permitted limit of 12.1 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.001 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.2 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MN)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 1.5 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 20 mg/L (WKLY AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.009 mg/L (MO AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AV MN)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.018 mg/L (DAILY MX)
DMR, Limited - Overdue
E. coli
582% over limit
Discharged 859 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
E. coli
582% over limit
Discharged 859 MPN/100mL against a permitted limit of 126 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (3 hours ago)