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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	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	6	Open	01-JAN-2025	-	No
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	5	Returned to Compliance	01-JUL-2015	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	4	Returned to Compliance	01-SEP-2013	30-SEP-2013	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	3	Returned to Compliance	01-SEP-2012	30-SEP-2012	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	2	Returned to Compliance	01-AUG-2012	31-AUG-2012	Yes
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	1	Known	01-MAY-2008	31-MAY-2008	No
TT	Public Education	Lead and Copper Rule	Lead and Copper Rule	00V0001	Returned to Compliance	01-JAN-1999	-	Yes
TT	Public Education	Lead and Copper Rule	Lead and Copper Rule	98V0001	Returned to Compliance	01-JAN-1997	-	Yes
TT	Public Education	Lead and Copper Rule	Lead and Copper Rule	95V0001	Returned to Compliance	01-JAN-1994	-	Yes
TT	Public Education	Lead and Copper Rule	Lead and Copper Rule	95V0003	Returned to Compliance	01-JAN-1993	-	Yes
TT	Failure to Filter (SWTR)	Surface Water Treatment Rule	Surface Water Treatment Rule	9799999	Known	01-JAN-1992	05-MAY-2000	Yes
TT	Public Education	Lead and Copper Rule	Lead and Copper Rule	95V0002	Returned to Compliance	01-JAN-1992	-	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9140010	Returned to Compliance	01-JUL-1991	31-JUL-1991	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	9140011	Returned to Compliance	01-JUL-1991	31-JUL-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
32	6	SFL	State Administrative/Compliance Order without penalty issued	11-MAR-2026	State	FAILURE TO PROVIDE CONSUMER NOTICE WITHIN 30 DAYS
31	5	SOX	State Compliance achieved	02-JUL-2016	State	-
28	4	SOX	State Compliance achieved	01-NOV-2013	State	RTC PDU for EPA
27	3	SOX	State Compliance achieved	01-DEC-2012	State	RTC PDU for EPA
27	2	SOX	State Compliance achieved	01-DEC-2012	State	RTC PDU for EPA
19	1	SFL	State Administrative/Compliance Order without penalty issued	24-JUN-2008	State	MISSING BACTERIOLOGICAL REPORT FOR MAY 2008
9	00V0001	SOX	State Compliance achieved	01-APR-2000	State	-
8	98V0001	SOX	State Compliance achieved	17-MAR-1998	State	-
10	95V0003	SOX	State Compliance achieved	21-MAR-1995	State	-
10	95V0001	SOX	State Compliance achieved	21-MAR-1995	State	-
10	95V0002	SOX	State Compliance achieved	21-MAR-1995	State	-
9799999	9799999	SFL	State Administrative/Compliance Order without penalty issued	29-JUN-1993	ODSWeb	-
9210014	9140010	SOX	State Compliance achieved	03-FEB-1992	State	-
9210014	9140011	SOX	State Compliance achieved	03-FEB-1992	State	-

• 1 - 14 of 14

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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
MWRA SUPPLY	4	Yes	Consecutive Connection	Surface water	Permanent	Active
CEDARWOOD PUMP STATION	3	No	Pump Facility	-	-	Active
CEDARWOOD	1	No	Storage	-	-	Active
PROSPECT HILL TANKS (2)	2	No	Storage	-	-	Active

• 1 - 4 of 4

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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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