Public water system · OH0100603
ActiveWinchester Public Water System
At a glance
Winchester Public Water System (PWSID OH0100603) is an active community water system in Adams County, Ohio. It reports serving 1,052 people through 434 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,052
Service connections
434
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Winchester Public Water System compare with other water systems in Adams County?
By EPA's size categories, Winchester Public Water System is a small system (501 to 3,300 people). Adams County has 6 active public water systems, and Winchester Public Water System is the 5th-largest of them by population served. Its population served is well below the county average of 5,166 people per system, and accounts for 3.4% of the 30,997 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 Winchester Public Water System is well below 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 114 Ohio systems (3%) list purchased groundwater as their primary source.
Who owns and regulates Winchester Public Water System?
EPA lists Winchester Public Water System 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 6 active systems in Adams County (100%) are also owned by a local government.
Does Winchester Public Water System have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2024. The violations listed here began between December 2018 and October 2024. By type: 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (2 of them). EPA lists 1 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 |
|---|---|---|---|---|
| 2024-10-24 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2018-12-05 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
All 2 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.
Winchester Public Water System: frequently asked questions
Who runs Winchester Public Water System?
Winchester Public Water System (PWSID OH0100603) is a community water system owned by a local government. It is regulated by the OH state drinking water program.
How many people does Winchester Public Water System serve?
Winchester Public Water System reports serving 1,052 people through 434 service connections in Adams County, Ohio.
Where does Winchester Public Water System get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Winchester Public Water System have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2024. 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 Winchester Public Water System's 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. EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2024. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.
Where can I find Winchester Public Water System's water quality report?
As a community water system, Winchester Public Water System 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 Adams County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Adams County Regional Wd Pws | Adams | 21,810 | Community | Groundwater |
| West Union Public Water System | Adams | 3,170 | Community | Purchased groundwater |
| Manchester Village | Adams | 2,043 | Community | Groundwater |
| Peebles Public Water System | Adams | 1,978 | Community | Purchased groundwater |
| Seaman Village Pws | Adams | 944 | 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, “Winchester Public Water System, PWSID OH0100603, Ohio”, https://aquacensus.com/water-systems/ohio/winchester-public-water-system-oh0100603 (data as of October 1, 2026).