NPDES ID: AR0052507
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: 3 effluent violations.
Violations
April 30, 2026
Oxygen, dissolved [DO]
32% over limit
Discharged 3.4 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
Solids, total suspended
110% over limit
Discharged 110 mg/L against a permitted limit of 52.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
214% over limit
Discharged 110 mg/L against a permitted limit of 35 mg/L (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2026
Oxygen, dissolved [DO]
44% over limit
Discharged 2.8 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.02 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
February 28, 2026
Solids, total suspended
180% over limit
Discharged 98 mg/L against a permitted limit of 35 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
200% over limit
Discharged 15 mg/L against a permitted limit of 5 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
100% over limit
Discharged 15 mg/L against a permitted limit of 7.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
87% over limit
Discharged 98 mg/L against a permitted limit of 52.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
180% over limit
Discharged 98 mg/L against a permitted limit of 35 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
87% over limit
Discharged 98 mg/L against a permitted limit of 52.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
29% over limit
Discharged 45 mg/L against a permitted limit of 35 mg/L (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
BOD, carbonaceous [5 day, 20 C]
20% over limit
Discharged 24 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 5 mg/L (INST MIN)
DMR, Limited - Overdue
Solids, total suspended
66% over limit
Discharged 58 mg/L against a permitted limit of 35 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
10% over limit
Discharged 58 mg/L against a permitted limit of 52.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
66% over limit
Discharged 87 mg/L against a permitted limit of 52.5 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
149% over limit
Discharged 87 mg/L against a permitted limit of 35 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)