SCITUATE W T P
NPDES ID: MAG590041
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
BOD, carbonaceous [5 day, 20 C]
2% over limit
Discharged 61.37081148 kg/d against a permitted limit of 60.38199949 kg/d (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total recoverable
738% over limit
Discharged 0.0335 mg/L against a permitted limit of 0.004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
933% over limit
Discharged 0.062 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
135% over limit
Discharged 23.518 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
145% over limit
Discharged 36.71 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
70% over limit
Discharged 102.43783514 kg/d against a permitted limit of 60.38199949 kg/d (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
BOD, carbonaceous [5 day, 20 C]
76% over limit
Discharged 26.38 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
483% over limit
Discharged 0.035 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
95% over limit
Discharged 19.5 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
46% over limit
Discharged 88.05284526 kg/d against a permitted limit of 60.38199949 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
413% over limit
Discharged 0.0205 mg/L against a permitted limit of 0.004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total recoverable
133% over limit
Discharged 0.014 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
80% over limit
Discharged 0.0072 mg/L against a permitted limit of 0.004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
15% over limit
Discharged 11.45 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
18% over limit
Discharged 17.68 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
21% over limit
Discharged 0.11500001 mg/L against a permitted limit of 0.095 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Copper, total recoverable
1150% over limit
Discharged 0.075 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total recoverable
1150% over limit
Discharged 0.075 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
706% over limit
Discharged 0.03225 mg/L against a permitted limit of 0.004 mg/L (MO AVG)
DMR, Limited - Overdue
Copper, total recoverable
706% over limit
Discharged 0.03225 mg/L against a permitted limit of 0.004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Copper, total recoverable
800% over limit
Discharged 0.054 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
792% over limit
Discharged 0.035667 mg/L against a permitted limit of 0.004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
August 31, 2025
Coliform, fecal general
24% over limit
Discharged 34.75 MPN/100mL against a permitted limit of 28 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
325% over limit
Discharged 0.017 mg/L against a permitted limit of 0.004 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
433% over limit
Discharged 0.032 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2025
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
September 30, 2024
Temperature, water deg. centigrade
0% over limit
Discharged 0 deg C against a permitted limit of 0 deg C (DAILY MX)
DMR, Monitor Only - Overdue
August 31, 2024
Zinc, total recoverable
9% over limit
Discharged 0.104 mg/L against a permitted limit of 0.095 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
117% over limit
Discharged 0.013 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)