SOMERSET ST GROUNDWATER TREATMENT FACILITY
NPDES ID: NJG167916
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
February 28, 2026
1,1,1-Trichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.021 mg/L (MO AVG)
DMR, Limited - Overdue
1,1,1-Trichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.054 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Trichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.0054 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
trans-1,2-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.021 mg/L (MO AVG)
DMR, Limited - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 1 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.01483 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Tetrachloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 61 % (MINIMUM)
DMR, Limited - Overdue
trans-1,2-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.054 mg/L (DAILY MX)
DMR, Limited - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 1 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 4 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chloroform
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Vinyl chloride
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
1,1-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 4 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.014969 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Tetrachloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Overdue
1,1-Dichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.022 mg/L (MO AVG)
DMR, Limited - Overdue
1,1-Dichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.059 mg/L (DAILY MX)
DMR, Limited - Overdue
1,1-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Vinyl chloride
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Trichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chloroform
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.0114 mg/L (DAILY MX)
DMR, Limited - Overdue
August 31, 2025
Trichloroethylene
85% over limit
Discharged 0.01 mg/L against a permitted limit of 0.0054 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2025
Trichloroethylene
52% over limit
Discharged 0.0082 mg/L against a permitted limit of 0.0054 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Carbon, tot organic [TOC]
0% over limit
Discharged 1 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 1 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chloroform
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Tetrachloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.9 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
1,1,1-Trichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.021 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.013159 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
1,1-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 4 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Overdue
Tetrachloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Overdue
trans-1,2-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.054 mg/L (DAILY MX)
DMR, Limited - Overdue
1,1-Dichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.059 mg/L (DAILY MX)
DMR, Limited - Overdue
trans-1,2-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.021 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 4 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Vinyl chloride
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chloroform
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.0114 mg/L (DAILY MX)
DMR, Limited - Overdue
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 61 % (MINIMUM)
DMR, Limited - Overdue
1,1-Dichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.022 mg/L (MO AVG)
DMR, Limited - Overdue
Trichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.0054 mg/L (DAILY MX)
DMR, Limited - Overdue
Trichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
1,1-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Overdue
1,1,1-Trichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.054 mg/L (DAILY MX)
DMR, Limited - Overdue
Vinyl chloride
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.015438 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 7.9 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
July 31, 2024
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.013577 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
1,1-Dichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.059 mg/L (DAILY MX)
DMR, Limited - Overdue
1,1-Dichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.022 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.3 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Trichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
1,1,1-Trichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.054 mg/L (DAILY MX)
DMR, Limited - Overdue
trans-1,2-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.021 mg/L (MO AVG)
DMR, Limited - Overdue
Tetrachloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Vinyl chloride
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.01 mg/L (DAILY MX)
DMR, Limited - Overdue
Vinyl chloride
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
1,1-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
1,1,1-Trichloroethane
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.021 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.015429 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Tetrachloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.016 mg/L (DAILY MX)
DMR, Limited - Overdue
trans-1,2-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.054 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.3 SU against a permitted limit of 9 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 4 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 4 mg/L against a permitted limit of 40 mg/L (DAILY MX)
DMR, Limited - Overdue
Trichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.0054 mg/L (DAILY MX)
DMR, Limited - Overdue
Chloroform
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.0114 mg/L (DAILY MX)
DMR, Limited - Overdue
1,1-Dichloroethylene
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0.006 mg/L (DAILY MX)
DMR, Limited - Overdue
Chloroform
0% over limit
Discharged 0.005 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 61 % (MINIMUM)
DMR, Limited - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 1 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Carbon, tot organic [TOC]
0% over limit
Discharged 1 mg/L against a permitted limit of 20 mg/L (DAILY MX)
DMR, Limited - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)