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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	Notification, Known or Potential LSL	Lead and Copper Rule Revisions	LEAD AND COPPER RULE REVISIONS	4837898	Open	02-JUL-2025	-	No
Other	Consumer Confidence Report Inadequate Reporting	Consumer Confidence Rule	Consumer Confidence Rule	4837897	Returned to Compliance	30-DEC-2024	-	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	4836895	Returned to Compliance	01-APR-1995	30-APR-1995	Yes
MCL	Maximum Contaminant Level Violation, Acute (TCR)	Total Coliform Rule	Coliform (TCR)	4836795	Returned to Compliance	01-APR-1995	30-APR-1995	Yes
MR	Monitoring, Routine Minor (TCR)	Total Coliform Rule	Coliform (TCR)	4836994	Returned to Compliance	01-JUN-1994	30-JUN-1994	No
MCL	Maximum Contaminant Level Violation, Monthly (TCR)	Total Coliform Rule	Coliform (TCR)	4837092	Returned to Compliance	01-SEP-1992	30-SEP-1992	Yes
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	4837492	Returned to Compliance	01-JAN-1992	31-DEC-1992	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	4837592	Returned to Compliance	01-JAN-1992	31-DEC-1992	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Toxaphene	4837692	Returned to Compliance	01-JAN-1992	31-DEC-1992	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4-D	4837792	Returned to Compliance	01-JAN-1992	31-DEC-1992	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4,5-TP	4837892	Returned to Compliance	01-JAN-1992	31-DEC-1992	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endrin	4837392	Returned to Compliance	01-JAN-1992	31-DEC-1992	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
2800	4837898	SIE	State Public Notification requested	21-OCT-2025	State	-
2798	4837897	SOX	State Compliance achieved	11-JUN-2025	State	-
2693	4837092	SOX	State Compliance achieved	19-APR-2007	State	THIS WAS SOXED BY AN AUTOMATED PROCESS CREATED BY TAB.
494	4836994	SOX	State Compliance achieved	19-APR-2007	State	THIS WAS SOXED BY AN AUTOMATED PROCESS CREATED BY TAB.
595	4836895	SOX	State Compliance achieved	19-APR-2007	State	THIS WAS SOXED BY AN AUTOMATED PROCESS CREATED BY TAB.
595	4836795	SOX	State Compliance achieved	19-APR-2007	State	THIS WAS SOXED BY AN AUTOMATED PROCESS CREATED BY TAB.
2593	4837892	SIF	State Public Notification received	07-SEP-1993	State	-
2593	4837692	SIF	State Public Notification received	07-SEP-1993	State	-
2593	4837592	SIF	State Public Notification received	07-SEP-1993	State	-
2593	4837492	SIF	State Public Notification received	07-SEP-1993	State	-
2593	4837392	SIF	State Public Notification received	07-SEP-1993	State	-
2593	4837792	SIF	State Public Notification received	07-SEP-1993	State	-

• 1 - 12 of 12

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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-001	18032	Yes	Well	Ground water	Permanent	Active
WELL-004	18035	Yes	Well	Ground water	Permanent	Inactive
WELL 009 REPLACEMENT	49336	Yes	Well	Ground water	Permanent	Active
WELL 008 REPLACEMENT	49335	Yes	Well	Ground water	Permanent	Active
WELL-011	45219	Yes	Well	Ground water	Permanent	Active
WELL-010	45218	Yes	Well	Ground water	Permanent	Active
WELL-009	18040	Yes	Well	Ground water	Permanent	Active
WELL-008	18039	Yes	Well	Ground water	Permanent	Active
WELL-007	18038	Yes	Well	Ground water	Permanent	Active
WELL-006	18037	Yes	Well	Ground water	Permanent	Active
WELL-005	18036	Yes	Well	Ground water	Permanent	Active
WELL-003	18034	Yes	Well	Ground water	Permanent	Active
WELL-002	18033	Yes	Well	Ground water	Permanent	Active
WTP-CLEARWELL #1	31721	No	Clear Well	-	-	Inactive
WTP-CLEARWELL #2	31722	No	Clear Well	-	-	Inactive
DISTRIBUTION-SCIOTO CO REGIONAL WATER	29202	No	Distribution System/Zone	-	-	Active
B.S.-#1	22844	No	Pump Facility	-	-	Active
B.S.-#3	22846	No	Pump Facility	-	-	Active
B.S.-#5	22848	No	Pump Facility	-	-	Active
B.S.-#6 (JONES RD)	22849	No	Pump Facility	-	-	Active
B.S.-#7 (HOUSTON HOLLOW)	22850	No	Pump Facility	-	-	Active
B.S.-#8 (HICKMAN RD)	22851	No	Pump Facility	-	-	Active
B.S.-#2 NEW	22852	No	Pump Facility	-	-	Active
WTP-HIGH SERVICE PUMPS	31723	No	Pump Facility	-	-	Active
B.S.-#4 NEW	40286	No	Pump Facility	-	-	Active
B.S.-#2 OLD	22845	No	Pump Facility	-	-	Inactive
B.S.-#4	22847	No	Pump Facility	-	-	Inactive
Scioto Co. Reg. Wtr Auth P01	116471	No	Sampling Station	-	-	Inactive
TANK-CHAMBERLAIN	1091	No	Storage	-	-	Active
TANK-CLARKTOWN #2	1092	No	Storage	-	-	Active
TANK-CLARKTOWN #1	1093	No	Storage	-	-	Active
TANK-NESBIT #2	1095	No	Storage	-	-	Active
TANK-HICKMAN	1096	No	Storage	-	-	Active
TANK-MINFORD	1097	No	Storage	-	-	Active
TANK-RIGRISH	1098	No	Storage	-	-	Active
TANK-SOUTH WEBSTER	1099	No	Storage	-	-	Active
TANK-SWAUGER VALLEY	1100	No	Storage	-	-	Active
TANK-TICK RIDGE #2	1102	No	Storage	-	-	Active
TANK-WOODS RIDGE ELEVATED	1103	No	Storage	-	-	Active
TANK-WOODS RIDGE STANDPIPE	1104	No	Storage	-	-	Active
TANK-NESBIT #1	45091	No	Storage	-	-	Active
WTP-CLEARWELL #1	46106	No	Storage	-	-	Active
WTP-CLEARWELL #2	46110	No	Storage	-	-	Active
TANK-HAYSTACK #1	1094	No	Storage	-	-	Inactive
TANK-TICK RIDGE #1	1101	No	Storage	-	-	Inactive
WTP-SCIOTO CO REGIONAL WATER	7330	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
WTP-SCIOTO CO REGIONAL WATER	7330	Coagulation	Particulate removal
WTP-SCIOTO CO REGIONAL WATER	7330	Lime - Soda Ash Addition	Softening (hardness removal)
WTP-SCIOTO CO REGIONAL WATER	7330	Innovative	Softening (hardness removal)
WTP-SCIOTO CO REGIONAL WATER	7330	Innovative	Softening (hardness removal)
WTP-SCIOTO CO REGIONAL WATER	7330	Gaseous Chlorination, Pre	Iron removal
WTP-SCIOTO CO REGIONAL WATER	7330	Filtration, Rapid Sand	Particulate removal
WTP-SCIOTO CO REGIONAL WATER	7330	Gaseous Chlorination, Post	Disinfection
WTP-SCIOTO CO REGIONAL WATER	7330	Fluoridation	Other
WTP-SCIOTO CO REGIONAL WATER	7330	Gaseous Chlorination, Pre	Manganese removal

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