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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	8223018	Open	02-JUL-2025	-	No
MCL	Maximum Contaminant Level Violation, E. coli (RTCR)	Revised Total Coliform Rule	Revised Total Coliform Rule	8223012	Returned to Compliance	01-AUG-2016	31-AUG-2016	Yes
MR	Failure Submit IDSE/Subpart V Plan Rpt	Stage 2 Disinfectants and Disinfection Byproducts Rule	Stage 2 Disinfectants and Disinfection Byproducts Rule	#350600	Returned to Compliance	02-JAN-2010	-	No
MR	Monitoring, Routine (IDSE)	Stage 2 Disinfectants and Disinfection Byproducts Rule	TTHM	#302950	Returned to Compliance	01-OCT-2008	30-SEP-2009	No
MR	Monitoring, Routine (IDSE)	Stage 2 Disinfectants and Disinfection Byproducts Rule	Total Haloacetic Acids (HAA5)	#302456	Returned to Compliance	01-OCT-2008	30-SEP-2009	No
MR	Monitoring, Regular	Inorganic Chemicals	Selenium	5742102	Returned to Compliance	01-JUL-2002	31-DEC-2002	No
MR	Monitoring, Regular	Inorganic Chemicals	Thallium, Total	5742202	Returned to Compliance	01-JUL-2002	31-DEC-2002	No
MR	Monitoring, Regular	Inorganic Chemicals	Fluoride	8222999	Returned to Compliance	01-JUL-1999	31-DEC-1999	No
MR	Monitoring, Regular	Arsenic Rule	Arsenic	1841096	Returned to Compliance	01-JUL-1996	31-DEC-1996	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4-D	1841592	Returned to Compliance	01-JAN-1992	31-DEC-1992	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	2,4,5-TP	1841692	Returned to Compliance	01-JAN-1992	31-DEC-1992	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Endrin	1841192	Returned to Compliance	01-JAN-1992	31-DEC-1992	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	BHC-GAMMA	1841292	Returned to Compliance	01-JAN-1992	31-DEC-1992	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Methoxychlor	1841392	Returned to Compliance	01-JAN-1992	31-DEC-1992	No
MR	Monitoring, Regular	Synthetic Organic Chemicals	Toxaphene	1841492	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
8072508	8223018	SIE	State Public Notification requested	21-OCT-2025	State	-
8072499	8223012	SOX	State Compliance achieved	20-SEP-2016	State	-
#1000169	#302456	EOX	Federal Compliance achieved	13-SEP-2010	ODSWeb	EOX of 12/29/2009 AO #1000025 to Xenia City for Stage 2 M&R failure to follow SMP by AH.
#1000169	#302950	EOX	Federal Compliance achieved	13-SEP-2010	ODSWeb	EOX of 12/29/2009 AO #1000025 to Xenia City for Stage 2 M&R failure to follow SMP by AH.
#1000169	#350600	EOX	Federal Compliance achieved	13-SEP-2010	ODSWeb	EOX of 12/29/2009 AO #1000025 to Xenia City for Stage 2 M&R failure to follow SMP by AH.
30303	5742202	SIA	State Violation/Reminder Notice	03-MAR-2003	State	-
30303	5742102	SIA	State Violation/Reminder Notice	03-MAR-2003	State	-
2041700	8222999	SIF	State Public Notification received	17-APR-2000	State	-
297	1841096	SIE	State Public Notification requested	19-MAR-1997	State	-
293	1841692	SIA	State Violation/Reminder Notice	26-JUL-1993	State	-
293	1841492	SIA	State Violation/Reminder Notice	26-JUL-1993	State	-
293	1841392	SIA	State Violation/Reminder Notice	26-JUL-1993	State	-
293	1841292	SIA	State Violation/Reminder Notice	26-JUL-1993	State	-
293	1841192	SIA	State Violation/Reminder Notice	26-JUL-1993	State	-
293	1841592	SIA	State Violation/Reminder Notice	26-JUL-1993	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
XENIA, CITY OF WELL 0001	12759	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF WELL 0011	12769	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF WELL 0010	12768	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF WELL 0009	12767	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF WELL 0008	12766	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF WELL 0007	12765	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF WELL 0006	12764	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF WELL 0005	12763	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF WELL 0004	12762	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF WELL 0003	12761	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF WELL 0002	12760	Yes	Well	Ground water	Permanent	Active
XENIA, CITY OF DISTRIBUTION	25272	No	Distribution System/Zone	-	-	Active
PATTON STREET BOOSTER STATION	35390	No	Pump Facility	-	-	Active
Xenia, City Of P01	89767	No	Sampling Station	-	-	Inactive
PATTON ST STANDPIPE 1	35391	No	Storage	-	-	Active
PATTON ST ELEVATED 2	35392	No	Storage	-	-	Active
PATTON ST STANDPIPE 3	35393	No	Storage	-	-	Active
SPRINGHILL ELEVATED	35394	No	Storage	-	-	Active
INDIAN PARK TOWER	35395	No	Storage	-	-	Active
WEST 2ND STREET TANK	35396	No	Storage	-	-	Active
XENIA CITY	3576	No	Treatment Plant	-	-	Active

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Treatment Processes

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Facility Name	Facility ID	Treatment Process	Treatment Objective
XENIA CITY	3576	Hypochlorination, Post	Disinfection
XENIA CITY	3576	Hypochlorination, Post	Other
XENIA CITY	3576	4-Log Treatment of Viruses	Disinfection
XENIA CITY	3576	Inhibitor, Polyphosphate	Corrosion control
XENIA CITY	3576	Aeration, Cascade	Iron removal
XENIA CITY	3576	Filtration, Rapid Sand	Iron removal
XENIA CITY	3576	Filtration, Rapid Sand	Particulate removal
XENIA CITY	3576	Innovative	Other

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