Public water system · OH2902812
ActiveXenia City Pws
At a glance
Xenia City Pws (PWSID OH2902812) is an active community water system in Greene County, Ohio. It reports serving 29,000 people through 11,761 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
29,000
Service connections
11,761
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Xenia City Pws compare with other water systems in Greene County?
By EPA's size categories, Xenia City Pws is a large system (10,001 to 100,000 people). Greene County has 46 active public water systems, and Xenia City Pws is the 2nd-largest of them by population served. Its population served is about 13 times the county average of 2,234 people per system, and accounts for 28% of the 102,782 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active community water system reports serving 6,703 people, so Xenia City Pws is about 4.3 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Ohio has 1,028 active community water systems, 27% of the state's 3,854 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,446 Ohio systems (89%) list groundwater as their primary source.
Who owns and regulates Xenia City Pws?
EPA lists Xenia City Pws as owned by a local government. The OH state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 46 active systems in Greene County (13%) are also owned by a local government.
Does Xenia City Pws have drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. The violations listed here began between January 1992 and July 2025. By type: 10 monitoring and reporting, 1 reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Lead and Copper Rule Revisions, Revised Total Coliform Rule, Stage 2 Disinfectants and Disinfection Byproducts Rule and Total trihalomethanes (TTHM). EPA lists 11 as resolved and 1 as unaddressed. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2016-08-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1A | Revised Total Coliform Rulecode 8000 | Yes | Resolved |
| 2010-01-02 | Monitoring and reportingFailure Submit IDSE/Subpart V Plan Rpt · code 35 | Stage 2 Disinfectants and Disinfection Byproducts Rulecode 0600 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2008-10-01 | Monitoring and reportingMonitoring, Routine (IDSE) · code 30 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2002-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2002-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 1999-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Fluoridecode 1025 | No | Resolved |
| 1996-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Arseniccode 1005 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
The 12 most recent violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Xenia City Pws: frequently asked questions
Who runs Xenia City Pws?
Xenia City Pws (PWSID OH2902812) is a community water system owned by a local government. It is regulated by the OH state drinking water program.
How many people does Xenia City Pws serve?
Xenia City Pws reports serving 29,000 people through 11,761 service connections in Greene County, Ohio.
Where does Xenia City Pws get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Xenia City Pws have any drinking water violations?
Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Xenia City Pws' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. Of the 12 most recent violations in EPA's records, one is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.
Where can I find Xenia City Pws' water quality report?
As a community water system, Xenia City Pws must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Greene County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fairborn Public Water System | Greene | 34,620 | Community | Groundwater |
| Bellbrook Water Works | Greene | 9,475 | Community | Groundwater |
| Wright State University | Greene | 8,948 | Community | Groundwater |
| Cedarville University | Greene | 4,000 | Community | Groundwater |
| Yellow Springs Village Pws | Greene | 3,761 | Community | Groundwater |
| Wright Patterson Medical Center Pws | Greene | 2,401 | Non-transient non-community | Purchased groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Xenia City Pws, PWSID OH2902812, Ohio”, https://aquacensus.com/water-systems/ohio/xenia-city-pws-oh2902812 (data as of October 1, 2026).