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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	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	21	Known	01-OCT-2024	31-DEC-2024	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	20	Open	01-JUN-2023	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	15	Returned to Compliance	01-NOV-2011	30-NOV-2011	Yes
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	16	Returned to Compliance	01-JAN-2011	31-MAR-2011	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	17	Returned to Compliance	01-JAN-2011	30-MAR-2011	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	14	Returned to Compliance	01-JAN-2011	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	8	Returned to Compliance	01-AUG-2009	31-AUG-2009	Yes
MR	Monitoring, Regular	Volatile Organic Chemicals	Tetrachloroethylene	7	Known	01-OCT-2007	31-DEC-2007	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	5	Returned to Compliance	01-JUL-2006	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	6	Returned to Compliance	10-JAN-2006	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	4	Returned to Compliance	01-OCT-2005	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	01V0001	Returned to Compliance	01-JAN-1999	-	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	95V0001	Known	01-MAY-1995	31-MAY-1995	No
MR	Monitoring, Regular	Inorganic Chemicals	Asbestos	96V0001	Known	01-APR-1995	30-JUN-1995	No

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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
28	21	SFL	State Administrative/Compliance Order without penalty issued	06-FEB-2025	State	FAILURE TO MONITOR FOR PCE AT ALL REQUIRED LOCATIONS
27	20	SFL	State Administrative/Compliance Order without penalty issued	18-DEC-2023	State	FAILURE TO MONITOR FOR LCR ACCORDING TO PLAN AND TWO SAMPLES FROM TWO SCHOOLS
23	15	SOX	State Compliance achieved	01-JAN-2012	State	RTC PDU for EPA
21	14	SOX	State Compliance achieved	07-NOV-2011	State	-
26	17	SOX	State Compliance achieved	11-MAY-2011	State	EPA RTC
26	16	SOX	State Compliance achieved	11-MAY-2011	State	EPA RTC
24	8	SOX	State Compliance achieved	01-OCT-2009	State	RTC PDU for EPA
16	7	SFL	State Administrative/Compliance Order without penalty issued	22-JAN-2008	State	MISSING PCE REPORTS FOR 4TH QUARTER 2007.
14	5	SOX	State Compliance achieved	27-AUG-2007	State	-
13	6	SOX	State Compliance achieved	17-JUL-2006	State	-
13	4	SOX	State Compliance achieved	17-JUL-2006	State	-
7	01V0001	SOX	State Compliance achieved	08-JAN-2002	State	-
2	96V0001	SFJ	State Formal Notice of Violation issued	18-JUL-1996	State	NON NOT COMPLIED WITH. ACOP SIGNED 17-SEP-97
1	95V0001	SFL	State Administrative/Compliance Order without penalty issued	10-JUL-1995	State	COMPLIANCE ACHIEVED

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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
LOWELL WATER	1	Yes	Consecutive Connection	Surface water	Permanent	Active
METHUEN WATER	2	Yes	Consecutive Connection	Surface water	Permanent	Active

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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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