Public water system · OH0400803
ActiveAshtabula County Water System
At a glance
Ashtabula County Water System (PWSID OH0400803) is an active community water system in Ashtabula County, Ohio. It reports serving 14,757 people through 6,048 service connections. Its primary water source is purchased surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
14,757
Service connections
6,048
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Ashtabula County Water System compare with other water systems in Ashtabula County?
By EPA's size categories, Ashtabula County Water System is a large system (10,001 to 100,000 people). Ashtabula County has 50 active public water systems, and Ashtabula County Water System is the 2nd-largest of them by population served. Its population served is about 8.7 times the county average of 1,688 people per system, and accounts for 17% of the 84,410 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 Ashtabula County Water System is about 120% above 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 Ashtabula County Water System?
EPA lists Ashtabula County 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. 9 of the 50 active systems in Ashtabula County (18%) are also owned by a local government.
Does Ashtabula County Water System have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2025. The violations listed here began between January 2004 and October 2025. By type: 3 monitoring and reporting, 1 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2025-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 2020-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Total trihalomethanes (TTHM)code 2950 | Yes | Resolved |
| 2005-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2004-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
All 5 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.
Ashtabula County Water System: frequently asked questions
Who runs Ashtabula County Water System?
Ashtabula County Water System (PWSID OH0400803) is a community water system owned by a local government. It is regulated by the OH state drinking water program.
How many people does Ashtabula County Water System serve?
Ashtabula County Water System reports serving 14,757 people through 6,048 service connections in Ashtabula County, Ohio.
Where does Ashtabula County Water System 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 Ashtabula County Water System have any drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 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 Ashtabula County 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 5 violations for this system; 1 is health-based, and the most recent began in October 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 Ashtabula County Water System's water quality report?
As a community water system, Ashtabula County 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 Ashtabula County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aqua Ohio - Ashtabula | Ashtabula | 32,342 | Community | Surface water |
| Conneaut | Ashtabula | 12,538 | Community | Surface water |
| Andover-Camplands Water | Ashtabula | 6,009 | Community | Groundwater |
| Geneva City Pws | Ashtabula | 5,924 | Community | Purchased surface water |
| Aqua Ohio - Village of Jefferson | Ashtabula | 3,226 | Community | Purchased surface water |
| Roaming Shores Village Pws | Ashtabula | 1,764 | 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, “Ashtabula County Water System, PWSID OH0400803, Ohio”, https://aquacensus.com/water-systems/ohio/ashtabula-county-water-system-oh0400803 (data as of October 1, 2026).