NPDES ID: ID0020028
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, 1 permit schedule violation.
Violations
April 30, 2026
Phosphorus, total [as P]
53% over limit
Discharged 1.51181999 kg/d against a permitted limit of 0.98971999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Nitrogen, ammonia total [as N]
326% over limit
Discharged 2.13 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
515% over limit
Discharged 8 mg/L against a permitted limit of 1.3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Nitrogen, ammonia total [as N]
485% over limit
Discharged 7.6 mg/L against a permitted limit of 1.3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
400% over limit
Discharged 2.5 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
November 30, 2025
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (INST MAX)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (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 (DAILY MX)
DMR, Monitor Only - Overdue
Streamflow
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (INST MIN)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 0 SU (INST MIN)
DMR, Monitor Only - Overdue
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (INST MAX)
DMR, Monitor Only - Overdue
September 30, 2025
Phosphorus, total [as P]
28% over limit
Discharged 1.27119999 kg/d against a permitted limit of 0.98971999 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
540% over limit
Discharged 3.2 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
354% over limit
Discharged 5.9 mg/L against a permitted limit of 1.3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
102% over limit
Discharged 9.89719992 kg/d against a permitted limit of 4.9032 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
124% over limit
Discharged 4.27213996 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
4300% over limit
Discharged 22 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
910% over limit
Discharged 19.24959984 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
391% over limit
Discharged 24.0619998 kg/d against a permitted limit of 4.9032 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1938% over limit
Discharged 26.5 mg/L against a permitted limit of 1.3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Nitrogen, ammonia total [as N]
528% over limit
Discharged 30.78119974 kg/d against a permitted limit of 4.9032 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1248% over limit
Discharged 25.69639978 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal MF, MFC broth, 44.5 C
110% over limit
Discharged 419 MPN/100mL against a permitted limit of 200 MPN/100mL (WKLY GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2123% over limit
Discharged 28.9 mg/L against a permitted limit of 1.3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal MF, MFC broth, 44.5 C
203% over limit
Discharged 2420 MPN/100mL against a permitted limit of 800 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
4880% over limit
Discharged 24.9 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Coliform, fecal MF, MFC broth, 44.5 C
203% over limit
Discharged 2420 MPN/100mL against a permitted limit of 800 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
98% over limit
Discharged 3.76819997 kg/d against a permitted limit of 1.9068 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1290% over limit
Discharged 6.95 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1323% over limit
Discharged 18.5 mg/L against a permitted limit of 1.3 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
109% over limit
Discharged 10.26039991 kg/d against a permitted limit of 4.9032 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)