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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
RPT	Reporting, Assessment Forms (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	20250026376	Returned to Compliance	01-JUL-2025	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	20250026854	Returned to Compliance	01-JUL-2025	-	No
MR	Monitoring, Source Water (GWR)	Ground Water Rule	E. COLI	20250026388	Returned to Compliance	01-JUL-2025	-	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	20250019157	Known	01-JAN-2025	31-MAR-2025	No
MR	Monitoring and Reporting (DBP)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	20250019156	Known	01-JAN-2025	31-MAR-2025	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	20260002527	Known	01-JAN-2025	31-DEC-2025	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	20200005306	Returned to Compliance	01-FEB-2020	29-FEB-2020	No
MR	Failure to Conduct Assessment Monitoring	Ground Water Rule	E. COLI	20200005372	Returned to Compliance	01-FEB-2020	29-FEB-2020	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	20190009121	Returned to Compliance	01-MAR-2019	31-MAR-2019	No
MR	Failure to Conduct Assessment Monitoring	Ground Water Rule	E. COLI	20190009093	Returned to Compliance	01-MAR-2019	31-MAR-2019	No
MON	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	20190007578	Returned to Compliance	01-JAN-2019	31-JAN-2019	No
MR	Failure to Conduct Assessment Monitoring	Ground Water Rule	E. COLI	20190007586	Returned to Compliance	01-JAN-2019	31-JAN-2019	No
MCL	Maximum Contaminant Level Violation, Average	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	20150003927	Returned to Compliance	01-APR-2015	30-JUN-2015	Yes
MR	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	Lead and Copper Rule	20170009045	Returned to Compliance	01-JAN-2015	-	No
MR	Monitoring, Regular	Nitrate Rule	Nitrate	20150001526	Returned to Compliance	01-JAN-2014	31-DEC-2014	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	20050007366	Known	01-APR-2005	30-APR-2005	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	20040009669	Known	01-MAY-2004	31-MAY-2004	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	20040000265	Open	01-JUL-2003	-	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	0403535	Known	01-JAN-2002	31-DEC-2003	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	20040003535	Known	01-JAN-2002	31-DEC-2003	No
MR	Monitoring, Repeat Minor (TCR)	Total Coliform Rule	Coliform (TCR)	9910258	Known	01-MAR-1999	31-MAR-1999	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	9904464	Known	01-DEC-1998	31-DEC-1998	No
MR	Monitoring, Routine Major (TCR)	Total Coliform Rule	Coliform (TCR)	9900493	Known	01-NOV-1998	30-NOV-1998	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	98V0002	Known	01-JUN-1998	30-JUN-1998	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	98V0001	Known	01-JAN-1998	31-JAN-1998	Yes
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	93V0001	Known	01-JUL-1993	31-JUL-1993	Yes
MR	Monitoring, Regular	Radionuclides and Revised Rad Rule	Gross Alpha, Excl. Radon and U	90V0002	Returned to Compliance	01-SEP-1987	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
695687	20250026376	SOX	State Compliance achieved	24-OCT-2025	State	-
695687	20250026388	SOX	State Compliance achieved	24-OCT-2025	State	-
692827	20250026854	SOX	State Compliance achieved	30-SEP-2025	State	-
558041	20200005372	SOX	State Compliance achieved	01-APR-2020	State	-
558041	20200005306	SOX	State Compliance achieved	01-APR-2020	State	-
524860	20190009093	SOX	State Compliance achieved	20-APR-2019	State	-
524860	20190009121	SOX	State Compliance achieved	20-APR-2019	State	-
523955	20190007578	SOX	State Compliance achieved	01-MAR-2019	State	-
523955	20190007586	SOX	State Compliance achieved	01-MAR-2019	State	-
516487	20170009045	SOX	State Compliance achieved	29-JUN-2018	State	-
445672	20150003927	SOX	State Compliance achieved	26-AUG-2015	State	-
459429	20150001526	SOX	State Compliance achieved	29-JUL-2015	State	-
374025	20040000265	SO6	State Intentional no-action	21-JUL-2013	State	-
91E0002	90V0002	SIA	State Violation/Reminder Notice	25-JUL-1991	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
1	32423107	Yes	Well	Ground water	Permanent	Active
WELL #5	4359753818	Yes	Well	Ground water	Permanent	Active
WELL #4	4359753660	Yes	Well	Ground water	Permanent	Active
WELL #3	4359753659	Yes	Well	Ground water	Permanent	Active
WELL #2	32433107	Yes	Well	Ground water	Permanent	Active
HILLIARD WTP	28542451179	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
HILLIARD WTP	28542451179	Gaseous Chlorination, Post	Disinfection
HILLIARD WTP	28542451179	Gaseous Chlorination, Post	Disinfection
HILLIARD WTP	28542451179	Aeration, Slat Tray	Taste / odor control

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