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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	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	100068880	Returned to Compliance	10-OCT-2015	-	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	100068879	Returned to Compliance	01-JUN-2015	30-JUN-2015	No
MR	Lead Consumer Notice	Lead and Copper Rule	Lead and Copper Rule	100068878	Returned to Compliance	30-DEC-2014	-	No
Other	Public Notification Violation for NPDWR Violation	Public Notice Rule and Revised PN Rule	Public Notice	100068876	Returned to Compliance	10-NOV-2012	-	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	100068875	Returned to Compliance	01-JUL-2012	31-JUL-2012	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	100068877	Returned to Compliance	01-JUL-2012	-	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	100068872	Returned to Compliance	01-JUL-2010	30-SEP-2010	No
MR	Monitoring and Reporting (DBP)	Stage 1 Disinfectants and Disinfection Byproducts Rule	Chlorine	90059366	Returned to Compliance	01-OCT-2008	31-DEC-2008	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	103	Returned to Compliance	01-JUL-2003	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	202	Returned to Compliance	01-JUL-2002	-	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
90091246	100068875	SIF	State Public Notification received	25-JUN-2018	State	-
90091248	100068879	SIF	State Public Notification received	25-JUN-2018	State	-
90091245	100068876	SOX	State Compliance achieved	25-JUN-2018	State	-
90091247	100068880	SOX	State Compliance achieved	25-JUN-2018	State	-
90091242	100068878	SOX	State Compliance achieved	30-NOV-2017	State	-
90091235	90059366	SOX	State Compliance achieved	17-JUL-2014	State	Submitted first quarter of 2014 DLQOR
90091235	100068872	SOX	State Compliance achieved	17-JUL-2014	State	Submitted first quarter of 2014 DLQOR
90091234	100068877	SOX	State Compliance achieved	21-NOV-2013	State	11/21/2013, TC, RCVD 2012 CCR
305	202	SOX	State Compliance achieved	27-OCT-2004	State	CCR2001 - EPA POLICY EMAIL 8/5/04 ON RTC, RECENT CCR
405	103	SOX	State Compliance achieved	27-OCT-2004	State	CCR2002 - EPA POLICY EMAIL 8/5/04 ON RTC, RECENT CCR

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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
2 - 1 MI FROM FM 60	28429	Yes	Well	Ground water	Other	Inactive
1 - LAKEVIEW DR	28461	Yes	Well	Ground water	Permanent	Active
3- ACORN OAK	168388	Yes	Well	Ground water	Permanent	Active
DISTRIBUTION SYSTEM	38565	No	Distribution System/Zone	-	-	Active
MAIN PLANT- 150 GPM- SP	168392	No	Pump Facility	-	-	Active
MAIN PLANT- 150 GPM- SP	168393	No	Pump Facility	-	-	Active
MAIN PLANT- 150 GPM- SP	168395	No	Pump Facility	-	-	Active
HILL TOP DR AND LAKEVIEW DR; SOMERVILLE	133546	No	Sampling Station	-	-	Active
ACORN OAK CIR, SOMERVILLE	168390	No	Sampling Station	-	-	Active
ACORN OAK CIR, SOMERVILLE	168391	No	Sampling Station	-	-	Active
HILL TOP DR AND LAKEVIEW DR, SOMERVILLE	48812	No	Sampling Station	-	-	Active
EP 002	60048	No	Sampling Station	-	-	Inactive
LAKEVIEW DR - 0.0021 MG - HD	100640	No	Storage	-	-	Active
PLANT- 0.044 MG- GR	168396	No	Storage	-	-	Active
MAIN PLANT- 0.002643 MG- HD	168397	No	Storage	-	-	Active
PLANT- ACORN OAK	168398	No	Treatment Plant	-	-	Active
PLANT - LAKEVIEW DR	4578	No	Treatment Plant	-	-	Active
CHLORINATOR	2032	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
PLANT- ACORN OAK	168398	Hypochlorination, Pre	Disinfection
PLANT - LAKEVIEW DR	4578	Hypochlorination, Pre	Disinfection

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