Public water system · OH7005112
ActiveWillow Park Water Association
At a glance
Willow Park Water Association (PWSID OH7005112) is an active community water system in Richland County, Ohio. It reports serving 200 people through 46 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
46
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Willow Park Water Association compare with other water systems in Richland County?
By EPA's size categories, Willow Park Water Association 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 Willow Park Water Association 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 Willow Park Water Association?
EPA lists Willow Park Water Association 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 Willow Park Water Association have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 2024. The violations listed here began between January 1992 and February 2024. By type: 8 public notice, recordkeeping or other and 4 monitoring and reporting. The contaminant or rule involved most often is Consumer Confidence Rule (8 of them). EPA lists 8 as resolved and 4 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 |
|---|---|---|---|---|
| 2024-02-02 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2021-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2020-01-29 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2018-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2017-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2015-12-31 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2008-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2008-03-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2001-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 1992-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Endrincode 2005 | 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.
Willow Park Water Association: frequently asked questions
Who runs Willow Park Water Association?
Willow Park Water Association (PWSID OH7005112) is a community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Willow Park Water Association serve?
Willow Park Water Association reports serving 200 people through 46 service connections in Richland County, Ohio.
Where does Willow Park Water Association 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 Willow Park Water Association have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 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 Willow Park Water Association'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in February 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 Willow Park Water Association's water quality report?
As a community water system, Willow Park Water Association 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, “Willow Park Water Association, PWSID OH7005112, Ohio”, https://aquacensus.com/water-systems/ohio/willow-park-water-association-oh7005112 (data as of October 1, 2026).