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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	Arsenic Rule	Arsenic	2600580	Known	01-OCT-2025	31-DEC-2025	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	2400577	Returned to Compliance	01-JUL-2024	01-OCT-2024	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	2400578	Returned to Compliance	01-JUL-2024	01-OCT-2024	No
MCL	Maximum Contaminant Level Violation, Average	Arsenic Rule	Arsenic	1300024	Returned to Compliance	01-JAN-2013	31-MAR-2013	Yes
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1200022	Returned to Compliance	01-JUL-2012	-	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	0800018	Returned to Compliance	01-JAN-2007	31-MAR-2007	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	9700015	Returned to Compliance	01-JUL-1997	31-JUL-1997	Yes
MR	Monitoring, Repeat Major (TCR)	Total Coliform Rule	Coliform (TCR)	9100014	Known	01-AUG-1991	31-AUG-1991	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
2500051	2400577	SOX	State Compliance achieved	08-NOV-2024	State	-
2500052	2400578	SOX	State Compliance achieved	08-NOV-2024	State	-
1400036	1300024	SOX	State Compliance achieved	09-OCT-2013	State	-
1200031	1200022	SOX	State Compliance achieved	19-JUL-2012	State	-
800026	0800018	SOX	State Compliance achieved	12-FEB-2008	State	-
9800017	9700015	SOX	State Compliance achieved	22-JUL-1998	State	-
9200012	9100014	SIF	State Public Notification received	26-FEB-1992	State	-

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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
BRW 5 /2000' NE OF ATM TANK 521/EC WELL E1	7	Yes	Well	Ground water	Permanent	Active
BRW 4 /HOAR POND WELL 3/130' NNE OF PH	6	Yes	Well	Ground water	Permanent	Inactive
BRW 3 /HOAR POND WELL 2	5	Yes	Well	Ground water	Permanent	Inactive
BRW 2 /HOAR POND WELL 1	4	Yes	Well	Ground water	Permanent	Inactive
BRW 1 /FREEMONT RD	3	Yes	Well	Ground water	Permanent	Inactive
GPW 1 /IN SOUTH PUMP STATION AUX	1	Yes	Well	Ground water	Permanent	Inactive
BRW 6 /1700'NE OF ATM TANK 521/EC WELL D2	8	Yes	Well	Ground water	Permanent	Active
STORAGE FACILITY /BRW 1 FREEMONT RD	503	No	Storage	-	-	Inactive
EPPING CROSSING TREATMENT FACILITY	507	No	Treatment Plant	-	-	Active
TREATMENT FACILITY /BRW 2 NW OF HOAR POND	504	No	Treatment Plant	-	-	Inactive
TREATMENT FACILITY /BRW 3 HOAR POND WELL 2	505	No	Treatment Plant	-	-	Inactive
TREATMENT FACILITY /BRW 4 HOAR POND WELL 3	506	No	Treatment Plant	-	-	Inactive
HOAR POND WELLHOUSE	514	No	Treatment Plant	-	-	Inactive

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
TREATMENT FACILITY /BRW 2 NW OF HOAR POND	504	Hypochlorination, Post	Disinfection
TREATMENT FACILITY /BRW 3 HOAR POND WELL 2	505	Hypochlorination, Post	Disinfection
TREATMENT FACILITY /BRW 4 HOAR POND WELL 3	506	Hypochlorination, Post	Disinfection
EPPING CROSSING TREATMENT FACILITY	507	Coagulation	Inorganics removal
EPPING CROSSING TREATMENT FACILITY	507	Hypochlorination, Pre	Disinfection
EPPING CROSSING TREATMENT FACILITY	507	Filtration, Greensand	Inorganics removal
HOAR POND WELLHOUSE	514	Hypochlorination, Post	Disinfection

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