Public water system · OH7001912
ActiveHillsdale Community Water Association Pw
At a glance
Hillsdale Community Water Association Pw (PWSID OH7001912) is an active community water system in Richland County, Ohio. It reports serving 160 people through 72 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 1992.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
160
Service connections
72
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Hillsdale Community Water Association Pw compare with other water systems in Richland County?
By EPA's size categories, Hillsdale Community Water Association Pw is a very small system (500 people or fewer). Richland County has 106 active public water systems. Its population served is well below the county average of 942 people per system, and accounts for 0.2% of the 99,812 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 Hillsdale Community Water Association Pw 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. 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 Hillsdale Community Water Association Pw?
EPA lists Hillsdale Community Water Association Pw as privately owned. 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. 94 of the 106 active systems in Richland County (89%) are also privately owned.
Does Hillsdale Community Water Association Pw have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 1992. The violations listed here began between January 1992 and January 1992. By type: 6 monitoring and reporting. The contaminants or rules involved are Toxaphene, 2,4-D, 2,4,5-TP (Silvex) and Methoxychlor. EPA lists 6 as resolved. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Toxaphenecode 2020 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4-Dcode 2105 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | 2,4,5-TP (Silvex)code 2110 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Methoxychlorcode 2015 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Lindane (gamma-BHC)code 2010 | No | Resolved |
All 6 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.
Hillsdale Community Water Association Pw: frequently asked questions
Who runs Hillsdale Community Water Association Pw?
Hillsdale Community Water Association Pw (PWSID OH7001912) is a community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Hillsdale Community Water Association Pw serve?
Hillsdale Community Water Association Pw reports serving 160 people through 72 service connections in Richland County, Ohio.
Where does Hillsdale Community Water Association Pw 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 Hillsdale Community Water Association Pw have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in January 1992. 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 Hillsdale Community Water Association Pw'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 6 violations for this system; none is health-based, and the most recent began in January 1992. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.
Where can I find Hillsdale Community Water Association Pw's water quality report?
As a community water system, Hillsdale Community Water Association Pw 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 Richland County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Mansfield City | Richland | 51,000 | Community | Surface water |
| Shelby City | Richland | 9,453 | Community | Surface water |
| Ontario City | Richland | 6,756 | Community | Groundwater |
| Lexington Village | Richland | 4,825 | Community | Groundwater |
| Madison Water District | Richland | 2,050 | Community | Groundwater |
| Bellville Village | Richland | 1,918 | Community | 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, “Hillsdale Community Water Association Pw, PWSID OH7001912, Ohio”, https://aquacensus.com/water-systems/ohio/hillsdale-community-water-association-pw-oh7001912 (data as of October 1, 2026).