KENSETT, CITY OF-WWTP
NPDES ID: AR0022322
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
This quarter: 2 effluent violations.
Violations
April 30, 2026
pH
0% over limit
Discharged 5.84 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
6536% over limit
Discharged 0.73 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
March 31, 2026
Chlorine, total residual
11082% over limit
Discharged 1.23 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
February 28, 2026
Chlorine, total residual
20718% over limit
Discharged 2.29 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
January 31, 2026
Chlorine, total residual
17991% over limit
Discharged 1.99 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
December 31, 2025
Chlorine, total residual
Limit violation
Discharged 4 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 3.11 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
November 30, 2025
pH
0% over limit
Discharged 3.76 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
19264% over limit
Discharged 2.13 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
October 31, 2025
Coliform, fecal general
Limit violation
Discharged 2000 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
September 30, 2025
Chlorine, total residual
18627% over limit
Discharged 2.06 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 5.83 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
20809% over limit
Discharged 2.3 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
July 31, 2025
Chlorine, total residual
4991% over limit
Discharged 0.56 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
June 30, 2025
Chlorine, total residual
536% over limit
Discharged 0.07 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.9 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
April 30, 2025
Chlorine, total residual
3900% over limit
Discharged 0.44 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
March 31, 2025
Chlorine, total residual
5718% over limit
Discharged 0.64 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
February 28, 2025
Chlorine, total residual
2809% over limit
Discharged 0.32 mg/L against a permitted limit of 0.011 mg/L (INST MAX)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 4.75 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
January 31, 2025
Coliform, fecal general
0% over limit
Discharged 2 MPN/100mL against a permitted limit of 2000 MPN/100mL (7 DA GEO)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.3 mg/L against a permitted limit of 12 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.4 mg/L against a permitted limit of 16.7 mg/L (7 DA AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 6.36961995 kg/d against a permitted limit of 18.93179984 kg/d (MO AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.56 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.2484 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 9 mg/L against a permitted limit of 30 mg/L (7 DA AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 2 MPN/100mL against a permitted limit of 1000 MPN/100mL (30DA GEO)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2.1 mg/L against a permitted limit of 30 mg/L (7 DA AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.2295 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO TOTAL)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 4.47 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 4.47 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
Overflow volume [SS0 volume, CSO volume]
0% over limit
Discharged 0 gal against a permitted limit of 0 gal (MO TOTAL)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 1.67071999 kg/d against a permitted limit of 18.93179984 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 8 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 8.02 mg/L against a permitted limit of 2 mg/L (INST MIN)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.22246 kg/d against a permitted limit of 11.35 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2.1 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.02 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)