NPDES ID: MO0139939
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
BOD, 5-day, 20 deg. C
120% over limit
Discharged 22 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
30% over limit
Discharged 26 mg/L against a permitted limit of 20 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
917% over limit
Discharged 29.5 mg/L against a permitted limit of 2.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
570% over limit
Discharged 29.5 mg/L against a permitted limit of 4.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
47% over limit
Discharged 22 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
73% over limit
Discharged 26 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Nitrogen, ammonia total [as N]
555% over limit
Discharged 19 mg/L against a permitted limit of 2.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
36% over limit
Discharged 13.6 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
50% over limit
Discharged 30 mg/L against a permitted limit of 20 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
332% over limit
Discharged 19 mg/L against a permitted limit of 4.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
100% over limit
Discharged 30 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total suspended
243% over limit
Discharged 68.5 mg/L against a permitted limit of 20 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
221% over limit
Discharged 2022 MPN/100mL against a permitted limit of 630 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
1505% over limit
Discharged 2022 MPN/100mL against a permitted limit of 126 MPN/100mL (30DA GM)
DMR, Limited - Numeric Violation
Solids, total suspended
357% over limit
Discharged 68.5 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
2232% over limit
Discharged 44.3 mg/L against a permitted limit of 1.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1428% over limit
Discharged 44.3 mg/L against a permitted limit of 2.9 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Nitrogen, ammonia total [as N]
1876% over limit
Discharged 57.3 mg/L against a permitted limit of 2.9 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
193% over limit
Discharged 44 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
1202% over limit
Discharged 57.3 mg/L against a permitted limit of 4.4 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
120% over limit
Discharged 44 mg/L against a permitted limit of 20 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Phosphorus, total [as P]
768% over limit
Discharged 4.34 mg/L against a permitted limit of 0.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
Nitrogen, ammonia total [as N]
36% over limit
Discharged 3 mg/L against a permitted limit of 2.2 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
100% over limit
Discharged 3 mg/L against a permitted limit of 1.5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)