NPDES ID: AR0051144
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 4 effluent violations.
Violations
May 31, 2026
Chlorine, total residual
2536% over limit
Discharged 0.29 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
April 30, 2026
BOD, carbonaceous [5 day, 20 C]
29% over limit
Discharged 0.1816 kg/d against a permitted limit of 0.14074 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
213% over limit
Discharged 0.44038 kg/d against a permitted limit of 0.14074 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
264% over limit
Discharged 0.04 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
2536% over limit
Discharged 0.29 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
16% over limit
Discharged 5.06 mg/L against a permitted limit of 6 mg/L (INST MIN)
DMR, Limited - Numeric Violation
February 28, 2026
Chlorine, total residual
9900% over limit
Discharged 1.1 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
6264% over limit
Discharged 0.7 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2025
Chlorine, total residual
19900% over limit
Discharged 2.2 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
October 31, 2025
Chlorine, total residual
2082% over limit
Discharged 0.24 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
September 30, 2025
Coliform, fecal general
55% over limit
Discharged 3106 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
68% over limit
Discharged 1675 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Chlorine, total residual
3718% over limit
Discharged 0.42 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, total suspended
3% over limit
Discharged 0.14528 kg/d against a permitted limit of 0.14074 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
10% over limit
Discharged 0.10442 kg/d against a permitted limit of 0.09534 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Overdue
Solids, total suspended
28% over limit
Discharged 38.5 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
56% over limit
Discharged 31.1 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Solids, total suspended
20% over limit
Discharged 24 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
72% over limit
Discharged 3440 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
244% over limit
Discharged 3440 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Overdue
May 31, 2025
Chlorine, total residual
4445% over limit
Discharged 0.5 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
Coliform, fecal general
25% over limit
Discharged 1250 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Numeric Violation
April 30, 2025
Nitrogen, ammonia total [as N]
20% over limit
Discharged 0.02724 kg/d against a permitted limit of 0.0227 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
23% over limit
Discharged 0.17252 kg/d against a permitted limit of 0.14074 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
Chlorine, total residual
13536% over limit
Discharged 1.5 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
January 31, 2025
Chlorine, total residual
4445% over limit
Discharged 0.5 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
July 31, 2024
Chlorine, total residual
8991% over limit
Discharged 1 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)