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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
TT	Failure To Address Deficiency	Ground Water Rule	Groundwater Rule	406	Returned to Compliance	02-MAR-2019	-	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	298	Known	01-OCT-1997	31-OCT-1997	Yes
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	198	Known	01-OCT-1997	31-OCT-1997	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	193	Known	01-NOV-1992	30-NOV-1992	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	1633580	Known	01-JUL-1976	30-JUN-1980	No
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Combined Radium (-226 and -228)	1633680	Known	01-JUL-1976	30-JUN-1980	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
3	406	SOX	State Compliance achieved	21-AUG-2019	Region	-

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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
WELL #2	12222	Yes	Well	Ground water	Permanent	Active
WELL #4 (SUMMER USE ONLY)	12221	Yes	Well	Ground water	Seasonal	Active
WELL #3 (DISCONNECTED)	15542	Yes	Well	Ground water	Permanent	Inactive
WELL #6 (DISCONNECTED)	15541	Yes	Well	Ground water	Permanent	Inactive
WELL #5 (DISCONNECTED)	12220	Yes	Well	Ground water	Permanent	Inactive
WELL #8	18872	Yes	Well	Ground water	Permanent	Active
WELL #7 (PUT IN SERVICE 1/97)	12223	Yes	Well	Ground water	Permanent	Active
UPTON, TOWN OF	12224	No	Distribution System/Zone	-	-	Active
UPTON, TOWN OF	10839	No	Other	-	-	Inactive
WELL #7 CONTROL HOUSE	14820	No	Other	-	-	Inactive
CONTROL HOUSE #4 SAMPLING STATION	14822	No	Other	-	-	Inactive
CONTROL HOUSE #2 SAMPLING STATION	15543	No	Sampling Station	-	-	Inactive
STORAGE TANK #2 (200K)	16026	No	Storage	-	-	Active
STORAGE TANK #1 (200K)	16027	No	Storage	-	-	Active
STORAGE TANK #3 (200K)	17983	No	Storage	-	-	Active
STORAGE TANK #4 (200K GAL)	20683	No	Storage	-	-	Active
EAST TANK (300K)	16025	No	Storage	-	-	Inactive
CONTROL HOUSE #2 CHLORINATOR	18028	No	Treatment Plant	-	-	Active
CONTROL HOUSE 4 CHLORINATOR	18029	No	Treatment Plant	-	-	Active
CHLORINATOR	16959	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
CONTROL HOUSE #2 CHLORINATOR	18028	Hypochlorination, Post	Disinfection
CONTROL HOUSE 4 CHLORINATOR	18029	Hypochlorination, Post	Disinfection

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