EAST HADDAM WPCF
NPDES ID: CT0101761
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
August 31, 2025
Chlorine, total residual
0% over limit
Discharged 0.2 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Antimony, total [as Sb]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Lead, total [as Pb]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Beryllium, total [as Be]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Nitrogen, nitrite total [as N]
0% over limit
Discharged 0.45 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 4 mg/L against a permitted limit of 40 mg/L (INST MAX)
DMR, Limited - Overdue
Beryllium, sludge, tot. dry wt [as Be]
0% over limit
Discharged 1.1 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Cadmium, total [as Cd]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Chromium, hexavalent [as Cr]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 1.7 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Enterococci
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 35 MPN/100mL (30DA GEO)
DMR, Limited - Overdue
Selenium, total [as Se]
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 4 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
Phenols
0% over limit
Discharged 0.015 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Cyanide, free [amenable to chlorination]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Mercury, total [as Hg]
0% over limit
Discharged 0.0002 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Enterococci
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 500 MPN/100mL (MAXIMUM)
DMR, Limited - Overdue
Cadmium, sludge, total, dry weight [as Cd]
0% over limit
Discharged 1.1 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Thallium, total [as Tl]
0% over limit
Discharged 0.0001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Polychlorinated biphenyls [PCBs]
0% over limit
Discharged 1700 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
February 28, 2025
Nitrogen, nitrite total [as N]
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Chromium, hexavalent [as Cr]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Cyanide, free [amenable to chlorination]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 4 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
Thallium, total [as Tl]
0% over limit
Discharged 0.0001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Antimony, total [as Sb]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Mercury, total [as Hg]
0% over limit
Discharged 0.0002 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Selenium, total [as Se]
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Phenols
0% over limit
Discharged 0.015 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Nitrogen, nitrate total [as N]
0% over limit
Discharged 4.3 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 4 mg/L against a permitted limit of 40 mg/L (INST MAX)
DMR, Limited - Overdue
December 31, 2024
pH
0% over limit
Discharged 5.9 SU against a permitted limit of 6 SU (INST MIN)
DMR, Limited - Numeric Violation
August 31, 2024
Lead, total [as Pb]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Nitrogen, nitrite total [as N]
0% over limit
Discharged 0.05 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Mercury, sludge, total, dry weight [as Hg]
0% over limit
Discharged 0.26 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0.02 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Polychlorinated biphenyls [PCBs]
0% over limit
Discharged 1600 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Enterococci
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 35 MPN/100mL (30DA GEO)
DMR, Limited - Overdue
Nickel, total [as Ni]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Mercury, total [as Hg]
0% over limit
Discharged 0.26 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Thallium, total [as Tl]
0% over limit
Discharged 0.0003 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Zinc, total [as Zn]
0% over limit
Discharged 0.027 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Cyanide, free [amenable to chlorination]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Cadmium, sludge, total, dry weight [as Cd]
0% over limit
Discharged 1.6 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Cyanide, total [as CN]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Phenols
0% over limit
Discharged 0.015 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 4 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
Selenium, total [as Se]
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Chromium, total [as Cr]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Chromium, hexavalent [as Cr]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Silver, total [as Ag]
0% over limit
Discharged 0.001 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Enterococci
0% over limit
Discharged 10 MPN/100mL against a permitted limit of 500 MPN/100mL (MAXIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 4 mg/L against a permitted limit of 40 mg/L (INST MAX)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Beryllium, sludge, tot. dry wt [as Be]
0% over limit
Discharged 1.6 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Antimony, total [as Sb]
0% over limit
Discharged 0.003 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.004 mg/L against a permitted limit of 0 mg/L (INST MAX)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (4 hours ago)