SUTTON MHP
NPDES ID: PA0238601
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: 1 effluent violation, 12 reporting violations.
Violations
May 31, 2026
Nitrogen, ammonia total [as N]
447% over limit
Discharged 16.4 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 10000 MPN/100mL (INST MAX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 4 mg/L (DAILY MN)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 2000 MPN/100mL (GEO MEAN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (INST MAX)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.9 mg/L (INST MAX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.4 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 9 mg/L (MO AVG)
DMR, Limited - Overdue
January 31, 2026
Nitrogen, ammonia total [as N]
200% over limit
Discharged 27 mg/L against a permitted limit of 9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Nitrogen, ammonia total [as N]
100% over limit
Discharged 6 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
67% over limit
Discharged 5 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 17, 2026 (5 hours ago)