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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
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	3643	Returned to Compliance	10-AUG-2025	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	3642	Returned to Compliance	30-DEC-2024	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	3641	Returned to Compliance	01-JUL-2024	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	3640	Returned to Compliance	01-JUL-2023	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	3638	Returned to Compliance	01-JUL-2020	-	No
RPT	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	3633	Returned to Compliance	10-MAR-2020	-	No
RPT	Report Sample Result/Fail Monitor (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	3631	Returned to Compliance	10-JAN-2020	-	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	3626	Returned to Compliance	30-DEC-2018	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	3625	Returned to Compliance	01-JAN-2014	31-DEC-2014	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3624	Returned to Compliance	01-JAN-2014	31-DEC-2014	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	3623	Returned to Compliance	01-JUL-2013	-	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3618	Returned to Compliance	01-JUN-2013	30-JUN-2013	No
MR	Monitoring, Regular	Inorganic Chemicals	Asbestos	3632	Returned to Compliance	01-JAN-2011	31-DEC-2019	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	3610	Returned to Compliance	01-JUL-2009	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	3616	Returned to Compliance	01-JAN-2009	31-DEC-2009	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	3615	Returned to Compliance	01-JAN-2009	31-DEC-2009	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	3209	Returned to Compliance	01-DEC-2008	31-DEC-2008	No
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	3109	Returned to Compliance	01-OCT-2008	31-OCT-2008	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	2909	Returned to Compliance	10-AUG-2008	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	2809	Returned to Compliance	01-JUL-2008	-	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	1908	Returned to Compliance	01-NOV-2007	30-NOV-2007	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	1808	Returned to Compliance	01-OCT-2007	31-OCT-2007	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	307	Returned to Compliance	01-DEC-2006	31-DEC-2006	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	207	Returned to Compliance	01-NOV-2006	30-NOV-2006	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	107	Returned to Compliance	01-OCT-2006	31-OCT-2006	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
2447	3643	SOX	State Compliance achieved	27-AUG-2025	State	2024 CCR Certification completed late
2446	3642	SOX	State Compliance achieved	29-JAN-2025	State	-
2444	3641	SIA	State Violation/Reminder Notice	27-AUG-2024	State	-
2442	3640	SOX	State Compliance achieved	03-AUG-2023	State	-
2440	3633	SIF	State Public Notification received	24-MAY-2021	State	-
2436	3632	SIF	State Public Notification received	06-JUL-2020	State	-
2439	3638	SOX	State Compliance achieved	06-JUL-2020	State	Submitted late
2438	3631	SIF	State Public Notification received	06-JUL-2020	State	-
2424	3626	SOX	State Compliance achieved	18-JAN-2019	State	Received late
2423	3625	SOX	State Compliance achieved	31-DEC-2015	State	Monitoring resumed
2423	3624	SOX	State Compliance achieved	31-DEC-2015	State	Monitoring resumed
2419	3623	SIA	State Violation/Reminder Notice	21-NOV-2013	State	-
2416	3618	SIA	State Violation/Reminder Notice	23-SEP-2013	State	-
2415	3616	SOX	State Compliance achieved	16-MAR-2010	State	results received
2415	3615	SOX	State Compliance achieved	16-MAR-2010	State	results received
2412	3610	SIA	State Violation/Reminder Notice	21-OCT-2009	State	-
2409	3109	SIF	State Public Notification received	01-APR-2009	State	-
1909	3209	SIA	State Violation/Reminder Notice	10-FEB-2009	State	-
1809	2809	SOX	State Compliance achieved	04-DEC-2008	State	-
1809	2909	SOX	State Compliance achieved	04-DEC-2008	State	-
1508	1808	SOX	State Compliance achieved	08-APR-2008	State	RR
1408	1908	SOX	State Compliance achieved	06-MAR-2008	State	-
407	107	SOX	State Compliance achieved	15-MAR-2007	State	results received
407	307	SOX	State Compliance achieved	15-MAR-2007	State	results received
407	207	SOX	State Compliance achieved	15-MAR-2007	State	results received

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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
INTERCONNECTION - CT0530021 - WATERTOWN	52324	Yes	Consecutive Connection	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	52322	No	Distribution System/Zone	-	-	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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