Public water system · OH6202603
ActiveOak Harbor Village
At a glance
Oak Harbor Village (PWSID OH6202603) is an active community water system in Ottawa County, Ohio. It reports serving 4,400 people through 2,300 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
4,400
Service connections
2,300
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Oak Harbor Village compare with other water systems in Ottawa County?
By EPA's size categories, Oak Harbor Village is a medium system (3,301 to 10,000 people). Ottawa County has 36 active public water systems, and Oak Harbor Village is the 4th-largest of them by population served. Its population served is about 3.3 times the county average of 1,317 people per system, and accounts for 9.3% of the 47,393 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 Oak Harbor Village is about 34% 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 surface water means the system buys surface water from another public water system rather than drawing its own. 191 Ohio systems (5%) list purchased surface water as their primary source.
Who owns and regulates Oak Harbor Village?
EPA lists Oak Harbor Village 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. 8 of the 36 active systems in Ottawa County (22%) are also owned by a local government.
Does Oak Harbor Village have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between July 2006 and January 2025. By type: 4 monitoring and reporting and 4 public notice, recordkeeping or other. The contaminant or rule involved most often is Consumer Confidence Rule (4 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2020-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2019-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2018-12-13 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Unaddressed |
| 2013-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2012-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2006-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
All 8 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.
Oak Harbor Village: frequently asked questions
Who runs Oak Harbor Village?
Oak Harbor Village (PWSID OH6202603) is a community water system owned by a local government. It is regulated by the OH state drinking water program.
How many people does Oak Harbor Village serve?
Oak Harbor Village reports serving 4,400 people through 2,300 service connections in Ottawa County, Ohio.
Where does Oak Harbor Village get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Oak Harbor Village have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in January 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 Oak Harbor Village'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 8 violations for this system; none is health-based, and the most recent began in January 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 Oak Harbor Village's water quality report?
As a community water system, Oak Harbor Village 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 Ottawa County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ottawa County Regional Water District | Ottawa | 20,428 | Community | Surface water |
| Port Clinton City | Ottawa | 6,500 | Community | Purchased surface water |
| Put-in-Bay Village | Ottawa | 5,000 | Community | Surface water |
| Genoa Village | Ottawa | 3,110 | Community | Purchased surface water |
| Carroll Water and Sewer | Ottawa | 2,288 | Community | Surface water |
| Elmore Village | Ottawa | 1,421 | Community | Purchased surface water |
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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, “Oak Harbor Village, PWSID OH6202603, Ohio”, https://aquacensus.com/water-systems/ohio/oak-harbor-village-oh6202603 (data as of October 1, 2026).