SHUQUALAK POTW
NPDES ID: MS0025143
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
December 31, 2025
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.114 mg/L against a permitted limit of 6 mg/L (MX WK AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 68 mg/L against a permitted limit of 0 mg/L (MX WK AV)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 2.91 mg/L against a permitted limit of 0 mg/L (MX WK AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.88983999 kg/d against a permitted limit of 11.804 kg/d (MX WK AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 12.2579999 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.27 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, suspended percent removal
0% over limit
Discharged 95 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.019 mg/L (MX MO AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 9 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.012 MGD against a permitted limit of 0.12 MGD (MX MO AV)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.55842 kg/d against a permitted limit of 0 kg/d (MX MO AV)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0.29964 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.45 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 16.9 mg/L against a permitted limit of 0 mg/L (MX WK AV)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.004994 kg/d against a permitted limit of 2.72399998 kg/d (MX WK AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 16.34399986 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 17 MPN/100mL against a permitted limit of 126 MPN/100mL (MX MO AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 16.34399986 kg/d against a permitted limit of 0 kg/d (MX MO AV)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 3.15 mg/L against a permitted limit of 0 mg/L (MX WK AV)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 2.91 mg/L against a permitted limit of 0 mg/L (MX MO AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 68 mg/L against a permitted limit of 0 mg/L (MX MO AV)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.033 mg/L (MX WK AV)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0.29964 kg/d against a permitted limit of 0 kg/d (MX MO AV)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 92 mg/L against a permitted limit of 0 mg/L (MX WK AV)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 16.9 mg/L against a permitted limit of 0 mg/L (MX MO AV)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.76725999 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.114 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.76725999 kg/d against a permitted limit of 0 kg/d (MX MO AV)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 92 mg/L against a permitted limit of 0 mg/L (MX MO AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 19 mg/L against a permitted limit of 26 mg/L (MX WK AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
12% over limit
Discharged 19 mg/L against a permitted limit of 17 mg/L (MX MO AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
12% over limit
Discharged 19 mg/L against a permitted limit of 17 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
0% over limit
Discharged 0.55842 kg/d against a permitted limit of 0 kg/d (MX WK AV)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 12.2579999 kg/d against a permitted limit of 0 kg/d (MX MO AV)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 0.88983999 kg/d against a permitted limit of 13.62 kg/d (MX MO AV)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 7.16 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 0.004994 kg/d against a permitted limit of 1.81599998 kg/d (MX MO AV)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 9 mg/L against a permitted limit of 45 mg/L (MX WK AV)
DMR, Limited - Overdue
BOD, 5-day, percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Overdue
BOD, 5-day, percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 0.88983999 kg/d against a permitted limit of 20.43 kg/d (MX WK AV)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 0.88983999 kg/d against a permitted limit of 7.718 kg/d (MX MO AV)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 3.15 mg/L against a permitted limit of 0 mg/L (MX MO AV)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 17 MPN/100mL against a permitted limit of 410 MPN/100mL (MX WK AV)
DMR, Limited - Overdue
December 31, 2024
BOD, 5-day, percent removal
120% over limit
Discharged 67 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
33% over limit
Discharged 80 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
August 1, 2026 (4 days ago)