NPDES ID: AR0036536
S — SNC: Compliance schedule violation
The facility missed a deadline in its compliance schedule by more than 90 days.
Violations
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
1% over limit
Discharged 15.2 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
December 31, 2025
pH
0% over limit
Discharged 5.7 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2025
pH
0% over limit
Discharged 5.92 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
August 31, 2025
pH
0% over limit
Discharged 5.92 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
73% over limit
Discharged 7.8 mg/L against a permitted limit of 4.5 mg/L (7 DA AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 5.63 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
June 30, 2025
pH
0% over limit
Discharged 5.52 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
May 31, 2025
pH
0% over limit
Discharged 5.32 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
April 30, 2025
pH
0% over limit
Discharged 5.34 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
March 31, 2025
pH
0% over limit
Discharged 5.33 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
February 28, 2025
pH
0% over limit
Discharged 5.35 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
January 31, 2025
pH
0% over limit
Discharged 5.42 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
December 31, 2024
pH
0% over limit
Discharged 4.85 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
November 30, 2024
pH
0% over limit
Discharged 4.9 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
October 31, 2024
pH
0% over limit
Discharged 5.05 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2024
pH
0% over limit
Discharged 5.3 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
August 31, 2024
pH
0% over limit
Discharged 5.29 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
July 31, 2024
Overflows
0% over limit
Discharged 0 occur/d against a permitted limit of 0 occur/d (MO TOTAL)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (7 DA AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 200 MPN/100mL (30DA GEO)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
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
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 5.34 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 kg/d against a permitted limit of 37.09179969 kg/d (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 0 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 15 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 kg/d against a permitted limit of 11.12299991 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 mg/L against a permitted limit of 22.5 mg/L (7 DA AVG)
DMR, Limited - Overdue
Coliform, fecal general
46% over limit
Discharged 584 MPN/100mL against a permitted limit of 400 MPN/100mL (7 DA GEO)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 0 mg/L against a permitted limit of 3 mg/L (INST MIN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 0 kg/d against a permitted limit of 55.66039953 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 4.5 mg/L (7 DA AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 0 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)