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The tables below list all violations that the state reported to EPA for this water system. Health-based violations are listed first, followed by treatment technique, MRDL, monitoring, reporting, and other violations.

Health-based	Violations of maximum contaminant levels (MCLs) or maximum residual disinfectant levels (MRDLs), which specify the highest concentrations of contaminants or disinfectants, respectively, allowed in drinking water; or of treatment technique (TT) rules, which specify required processes intended to reduce the amounts of contaminants in drinking water. MCLs, MRDLs, and treatment technique rules are all health-based drinking water standards.
Maximum Contaminant Level or MCL	The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible using the best available treatment technology.
Treatment Technique	A required process intended to reduce the level of a contaminant in drinking water.
Maximum residual disinfectant level or MRDL	The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants.
Monitoring & reporting	Failure to conduct regular monitoring of drinking water quality, as required by SDWA, or to submit monitoring results in a timely fashion to the primacy agency or EPA.
Public notification & other	Failure to provide notification to the public as required by the Violations of Public Notification Rule and the Consumer Confidence Report Rule, and violations of other requirements such as those violations related to variances and exemptions.

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Violations

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Violation Category Code	Violation Type Description	Rule Name	Contaminant Name	Violation ID	Compliance Status Description	Compliance Period Begin Date	Compliance Period End Date	Is Health Based Ind
MR	Water Quality Parameter M/R	Lead and Copper Rule	Lead and Copper Rule	1224	Returned to Compliance	01-JAN-2022	30-JUN-2022	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	1220	Returned to Compliance	01-JAN-2018	-	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	1219	Returned to Compliance	01-JUL-2016	30-SEP-2016	Yes
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	1213	Returned to Compliance	01-JUN-2013	31-AUG-2013	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	1212	Returned to Compliance	01-DEC-2012	28-FEB-2013	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	1211	Returned to Compliance	01-DEC-2012	28-FEB-2013	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	793	Returned to Compliance	01-JUL-1993	31-JUL-1993	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	693	Known	01-JUN-1993	30-JUN-1993	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	292	Returned to Compliance	01-DEC-1991	31-DEC-1991	Yes

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Enforcement Actions

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Latest Enforcement ID	Associated To Violation ID	Enforcement Action Type Code	Enforcement Action Description	Enforcement Date	Originator Description	Enforcement Comment
1243	1224	SFJ	State Formal Notice of Violation issued	23-AUG-2022	State	-
1233	1220	SFJ	State Formal Notice of Violation issued	04-MAY-2018	State	-
1232	1219	SOX	State Compliance achieved	10-MAY-2017	State	-
1221	1211	SIF	State Public Notification received	26-MAR-2014	State	-
1221	1212	SIF	State Public Notification received	26-MAR-2014	State	-
1214	1213	SFJ	State Formal Notice of Violation issued	24-OCT-2013	State	-
693	793	SOX	State Compliance achieved	13-AUG-1993	State	-
293	693	SIF	State Public Notification received	19-JUL-1993	State	-
592	292	SOX	State Compliance achieved	05-FEB-1992	State	-

• 1 - 9 of 9

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All Facilities

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Facility Name	Facility ID	Is Source	Facility Type Description	Water Type Description	Availability Description	Facility Activity Status
CEDAR LANE	14079	Yes	Consecutive Connection	Surface water	Permanent	Active
NJEMS 12-234 MIDDLESEX WATER CO/ HIGHLAN	14080	Yes	Consecutive Connection	Surface water	Permanent	Active
NJEMS 12-233 MIDDLESEX WATER CO/HIGHLAND	14081	Yes	Consecutive Connection	Surface water	Permanent	Active
MIDDLESEX WATER CO.	14082	Yes	Consecutive Connection	Surface water	Permanent	Active
DISTRIBUTION SYSTEM	14359	No	Distribution System/Zone	-	-	Active
HISTORICAL SAMPLING STATION	22948	No	Sampling Station	-	-	Active

• 1 - 6 of 6

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Treatment Processes

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No treatment process(es) found. EPA has no record of treatment process(es) reported by the primacy agency for this water system.

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