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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
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	419127	Returned to Compliance	01-APR-2023	30-JUN-2023	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	419126	Returned to Compliance	01-JUL-2019	30-SEP-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	419125	Returned to Compliance	01-APR-2019	30-JUN-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	419124	Returned to Compliance	01-APR-2019	30-JUN-2019	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	419122	Returned to Compliance	01-JAN-2019	31-MAR-2019	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	419111	Returned to Compliance	01-AUG-2013	31-AUG-2013	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	419110	Returned to Compliance	01-JUL-2013	31-JUL-2013	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	419109	Returned to Compliance	01-JAN-2009	31-MAR-2009	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	419009	Returned to Compliance	01-OCT-2008	31-DEC-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	418909	Returned to Compliance	01-JUL-2008	30-SEP-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	418808	Returned to Compliance	01-APR-2008	30-JUN-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	418708	Returned to Compliance	01-JAN-2008	31-MAR-2008	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	418608	Returned to Compliance	01-OCT-2007	31-DEC-2007	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	418508	Returned to Compliance	01-JUL-2007	30-SEP-2007	Yes
MCL	Maximum Contaminant Level Violation, Average	Stage 1 Disinfectants and Disinfection Byproducts Rule	TTHM	418407	Returned to Compliance	01-APR-2007	30-JUN-2007	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	116004	Returned to Compliance	01-OCT-2003	31-OCT-2003	Yes
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	418301	Returned to Compliance	01-JUL-2002	-	No
Other	Consumer Confidence Report Complete Failure to Report	Consumer Confidence Rule	Consumer Confidence Rule	1V00	Returned to Compliance	19-OCT-1999	28-OCT-1999	No
Other	Notification, Public	Total Coliform Rule	Coliform (TCR)	386595	Known	01-JUN-1995	30-JUN-1995	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
102349	419127	SOX	State Compliance achieved	30-AUG-2024	State	-
102345	419122	SOX	State Compliance achieved	11-JAN-2021	State	CO1911436 RELEASED
102345	419124	SOX	State Compliance achieved	11-JAN-2021	State	CO1911436 RELEASED
102345	419126	SOX	State Compliance achieved	11-JAN-2021	State	CO1911436 RELEASED
102345	419125	SOX	State Compliance achieved	11-JAN-2021	State	CO1911436 RELEASED
102315	419110	SOX	State Compliance achieved	03-DEC-2013	State	-
102315	419111	SOX	State Compliance achieved	03-DEC-2013	State	-
102311	418909	SOX	State Compliance achieved	13-JAN-2011	State	administrative order released AO090100436
102311	418808	SOX	State Compliance achieved	13-JAN-2011	State	administrative order released AO090100436
102311	418608	SOX	State Compliance achieved	13-JAN-2011	State	administrative order released AO090100436
102311	418508	SOX	State Compliance achieved	13-JAN-2011	State	administrative order released AO090100436
102311	418407	SOX	State Compliance achieved	13-JAN-2011	State	administrative order released AO090100436
102311	418708	SOX	State Compliance achieved	13-JAN-2011	State	administrative order released AO090100436
102210	419009	SOX	State Compliance achieved	09-JUN-2010	State	-
102110	419109	SOX	State Compliance achieved	13-MAY-2010	State	-
102009	116004	SOX	State Compliance achieved	09-JUN-2009	State	-
100404	418301	SOX	State Compliance achieved	07-NOV-2003	State	AR000043614183*
1E00	1V00	EOX	Federal Compliance achieved	28-OCT-1999	ODSWeb	-

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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
GILLHAM REGIONAL	3984	Yes	Consecutive Connection	Surface water	Permanent	Active
HATFIELD WATERWORKS	3005	No	Distribution System/Zone	-	-	Active
MASTER METER	306	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
MASTER METER	306	Gaseous Chlorination, Post	Disinfection

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