BRIDGEWATER W W T F
NPDES ID: MAG590044
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
May 31, 2026
Nitrogen, total [as N]
108% over limit
Discharged 56.74999952 kg/d against a permitted limit of 27.23999977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Nitrogen, ammonia total [as N]
108% over limit
Discharged 34.04999971 kg/d against a permitted limit of 16.34399986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
167% over limit
Discharged 8 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Nitrogen, ammonia total [as N]
657% over limit
Discharged 22.7 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
390% over limit
Discharged 133.47599888 kg/d against a permitted limit of 27.23999977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
617% over limit
Discharged 117.13199902 kg/d against a permitted limit of 16.34399986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
15% over limit
Discharged 23 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Phosphorus, total [as P]
30% over limit
Discharged 1.3 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
562% over limit
Discharged 180.23799849 kg/d against a permitted limit of 27.23999977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
650% over limit
Discharged 122.57999897 kg/d against a permitted limit of 16.34399986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
867% over limit
Discharged 29 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
5% over limit
Discharged 21 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Nitrogen, total [as N]
260% over limit
Discharged 98.06399918 kg/d against a permitted limit of 27.23999977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
323% over limit
Discharged 12.68 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
178% over limit
Discharged 45.39999962 kg/d against a permitted limit of 16.34399986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2025
Nitrogen, ammonia total [as N]
228% over limit
Discharged 53.57199955 kg/d against a permitted limit of 16.34399986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
342% over limit
Discharged 13.25 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
200% over limit
Discharged 81.64735931 kg/d against a permitted limit of 27.23999977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
June 30, 2025
NOEC Static Renewal 7Day Chronic Ceriodaphnia dubia
50% over limit
Discharged 25 % against a permitted limit of 50 % (MO AV MN)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
260% over limit
Discharged 10.8 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
194% over limit
Discharged 48.1239996 kg/d against a permitted limit of 16.34399986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
317% over limit
Discharged 113.49999905 kg/d against a permitted limit of 27.23999977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Nitrogen, ammonia total [as N]
408% over limit
Discharged 83.0819993 kg/d against a permitted limit of 16.34399986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
383% over limit
Discharged 131.65999889 kg/d against a permitted limit of 27.23999977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
500% over limit
Discharged 18 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
NOEC Static Renewal 7Day Chronic Ceriodaphnia dubia
50% over limit
Discharged 25 % against a permitted limit of 50 % (MO AV MN)
DMR, Limited - Numeric Violation
November 30, 2024
BOD, 5-day, 20 deg. C
5% over limit
Discharged 21 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2024
Nitrogen, total [as N]
340% over limit
Discharged 119.85599899 kg/d against a permitted limit of 27.23999977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
160% over limit
Discharged 7.8 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
67% over limit
Discharged 27.23999977 kg/d against a permitted limit of 16.34399986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
567% over limit
Discharged 0.8 mg/L against a permitted limit of 0.12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Nitrogen, ammonia total [as N]
47% over limit
Discharged 4.4 mg/L against a permitted limit of 3 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
320% over limit
Discharged 114.40799904 kg/d against a permitted limit of 27.23999977 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, ammonia total [as N]
3% over limit
Discharged 16.79799986 kg/d against a permitted limit of 16.34399986 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
614% over limit
Discharged 0.857 mg/L against a permitted limit of 0.12 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)