WESTBROOK/GORHAM WWTF
NPDES ID: ME0100846
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 1 effluent violation.
Violations
May 31, 2026
Solids, settleable
567% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Solids, settleable
300% over limit
Discharged 0.0012 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
E. coli, thermotol, MF, MTEC
3% over limit
Discharged 980 MPN/100mL against a permitted limit of 949 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
BOD, 5-day, 20 deg. C
38% over limit
Discharged 69 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
8% over limit
Discharged 54 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli, thermotol, MF, MTEC
64% over limit
Discharged 1553 MPN/100mL against a permitted limit of 949 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total suspended
0% over limit
Discharged 103.96599913 kg/d against a permitted limit of 516.19799566 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 111.68399906 kg/d against a permitted limit of 774.0699935 kg/d (WKLY AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 2 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 95.7939992 kg/d against a permitted limit of 516.19799566 kg/d (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 2 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 182.96199846 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 140.73999882 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 22.42759981 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 3 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 95.41 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 22.42759981 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 139.37799883 kg/d against a permitted limit of 774.0699935 kg/d (WKLY AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0.1 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 4.4 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
May 31, 2025
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
April 30, 2025
E. coli, thermotol, MF, MTEC
155% over limit
Discharged 2420 MPN/100mL against a permitted limit of 949 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
7% over limit
Discharged 84 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (3 hours ago)