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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	421200	Known	01-JUL-2025	30-SEP-2025	Yes
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	421199	Returned to Compliance	01-JAN-2025	31-JAN-2025	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	421198	Returned to Compliance	01-DEC-2024	31-DEC-2024	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	421197	Returned to Compliance	01-JUN-2015	30-JUN-2015	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	414703	Returned to Compliance	01-JUL-2003	31-JUL-2003	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	311903	Returned to Compliance	01-MAY-2003	31-MAY-2003	Yes
Other	Notification, Public	Surface Water Treatment Rule	Surface Water Treatment Rule	421196	Known	01-SEP-1996	30-SEP-1996	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	310394	Known	01-APR-1994	30-APR-1994	No
Other	Notification, Public	Surface Water Treatment Rule	Surface Water Treatment Rule	320994	Known	01-APR-1994	30-APR-1994	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	206994	Known	01-FEB-1994	28-FEB-1994	No
Other	Notification, Public	Surface Water Treatment Rule	Surface Water Treatment Rule	215294	Known	01-FEB-1994	28-FEB-1994	No
MR	Monitoring of Treatment (SWTR-Filter)	Surface Water Treatment Rule	Surface Water Treatment Rule	207294	Known	01-JAN-1994	31-JAN-1994	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	200394	Known	01-JAN-1994	31-JAN-1994	No
Other	Notification, Public	Surface Water Treatment Rule	Surface Water Treatment Rule	215394	Known	01-JAN-1994	31-JAN-1994	No
Other	Notification, Public	Total Coliform Rule	Coliform (TCR)	411393	Known	01-AUG-1993	31-AUG-1993	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	404793	Known	01-AUG-1993	31-AUG-1993	No
Other	Notification, Public	Total Coliform Rule	Coliform (TCR)	411293	Known	01-JUL-1993	31-JUL-1993	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	403093	Known	01-JUL-1993	31-JUL-1993	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
8	421199	SOX	State Compliance achieved	22-APR-2025	State	-
8	421198	SOX	State Compliance achieved	22-APR-2025	State	-
4	311903	SOX	State Compliance achieved	19-SEP-2016	State	-
4	414703	SOX	State Compliance achieved	19-SEP-2016	State	-
3	421197	SOX	State Compliance achieved	10-SEP-2015	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
LAKE BREWER	2509	Yes	Intake	Surface water	Permanent	Active
CONWAY CO REGIONAL WATER DIST	2722	No	Distribution System/Zone	-	-	Active
WATER TREATMENT PLANT	368	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
WATER TREATMENT PLANT	368	Inhibitor, Orthophosphate	Corrosion control
WATER TREATMENT PLANT	368	pH Adjustment, Post	Corrosion control
WATER TREATMENT PLANT	368	Gaseous Chlorination, Post	Disinfection
WATER TREATMENT PLANT	368	Rapid Mix	Particulate removal
WATER TREATMENT PLANT	368	Coagulation	Particulate removal
WATER TREATMENT PLANT	368	Filtration, Rapid Sand	Particulate removal
WATER TREATMENT PLANT	368	Flocculation	Particulate removal
WATER TREATMENT PLANT	368	Activated Carbon, Powdered	Taste / odor control
WATER TREATMENT PLANT	368	Permanganate	Taste / odor control
WATER TREATMENT PLANT	368	Fluoridation	Other
WATER TREATMENT PLANT	368	Gaseous Chlorination, Post	Disinfection

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