Public water system · OH2502612
ActiveAqua Ohio - Lake Darby
At a glance
Aqua Ohio - Lake Darby (PWSID OH2502612) is an active community water system in Franklin County, Ohio. It reports serving 3,562 people through 1,470 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2001.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,562
Service connections
1,470
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Aqua Ohio - Lake Darby compare with other water systems in Franklin County?
By EPA's size categories, Aqua Ohio - Lake Darby is a medium system (3,301 to 10,000 people). Franklin County has 90 active public water systems. Its population served is well below the county average of 16,670 people per system, and accounts for 0.2% of the 1,500,285 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 Aqua Ohio - Lake Darby is about half of 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 Aqua Ohio - Lake Darby?
EPA lists Aqua Ohio - Lake Darby 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. 71 of the 90 active systems in Franklin County (79%) are also privately owned.
Does Aqua Ohio - Lake Darby have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2001. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2001-07-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
The one violation in EPA's records.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.
Aqua Ohio - Lake Darby: frequently asked questions
Who runs Aqua Ohio - Lake Darby?
Aqua Ohio - Lake Darby (PWSID OH2502612) is a community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Aqua Ohio - Lake Darby serve?
Aqua Ohio - Lake Darby reports serving 3,562 people through 1,470 service connections in Franklin County, Ohio.
Where does Aqua Ohio - Lake Darby 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 Aqua Ohio - Lake Darby have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2001. 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 Aqua Ohio - Lake Darby'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 one violation for this system; it is not health-based, and the most recent began in July 2001. For current results, consult the system's annual water quality report, EPA ECHO, or the OH state drinking water program.
Where can I find Aqua Ohio - Lake Darby's water quality report?
As a community water system, Aqua Ohio - Lake Darby 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 Franklin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Columbus Public Water System | Franklin | 1,305,946 | Community | Surface water |
| Westerville City Pws | Franklin | 39,000 | Community | Surface water |
| Reynoldsburg City Pws | Franklin | 37,847 | Community | Purchased surface water |
| Gahanna City Pws | Franklin | 33,258 | Community | Purchased surface water |
| Bexley City Pws | Franklin | 14,250 | Community | Purchased surface water |
| Jefferson Water and Sewer District Pws | Franklin | 11,294 | 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, “Aqua Ohio - Lake Darby, PWSID OH2502612, Ohio”, https://aquacensus.com/water-systems/ohio/aqua-ohio-lake-darby-oh2502612 (data as of October 1, 2026).