Public water system · OH0400711

Active

Aqua Ohio - Ashtabula

At a glance

Aqua Ohio - Ashtabula (PWSID OH0400711) is an active community water system in Ashtabula County, Ohio. It reports serving 32,342 people through 13,255 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in January 2024.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

32,342

Service connections

13,255

Primary source

Surface water

System type

CWS

Community water system

System record

PWSIDOH0400711

System typeCommunity water system

Activity statusActive

Population served32,342

Service connections13,255

Primary water sourceSurface water

Owner typePrivate

Primacy agencyOH state drinking water program

City served—

StateOhio

ZIP—

CountyAshtabula County

How does Aqua Ohio - Ashtabula compare with other water systems in Ashtabula County?

By EPA's size categories, Aqua Ohio - Ashtabula is a large system (10,001 to 100,000 people). Ashtabula County has 50 active public water systems, and Aqua Ohio - Ashtabula is the largest of them by population served. Its population served is about 19 times the county average of 1,688 people per system, and accounts for 38% 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 Aqua Ohio - Ashtabula is about 4.8 times 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 102 Ohio systems (2.6%) list surface water as their primary source.

Who owns and regulates Aqua Ohio - Ashtabula?

EPA lists Aqua Ohio - Ashtabula 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. 40 of the 50 active systems in Ashtabula County (80%) are also privately owned.

Does Aqua Ohio - Ashtabula have drinking water violations?

EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in January 2024. The violations listed here began between August 2004 and January 2024. By type: 3 required treatment not met, 3 monitoring and reporting and 2 public notice, recordkeeping or other. The contaminant or rule involved most often is Surface Water Treatment Rule (5 of them). EPA lists 6 as resolved, 1 as unaddressed and 1 as archived. 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. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

Began	Violation	Contaminant or rule	Health-based	Status
2024-01-11	Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72	Consumer Confidence Rulecode 7000	No	Unaddressed
2010-12-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2010-05-01	Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75	Public Noticecode 7500	No	Resolved
2010-02-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2010-01-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2008-06-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Archived
2004-09-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2004-08-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	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.

Aqua Ohio - Ashtabula: frequently asked questions

Who runs Aqua Ohio - Ashtabula?

Aqua Ohio - Ashtabula (PWSID OH0400711) is a community water system privately owned. It is regulated by the OH state drinking water program.

How many people does Aqua Ohio - Ashtabula serve?

Aqua Ohio - Ashtabula reports serving 32,342 people through 13,255 service connections in Ashtabula County, Ohio.

Where does Aqua Ohio - Ashtabula get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Aqua Ohio - Ashtabula have any drinking water violations?

EPA's records list 8 violations for this system; 3 are health-based, and the most recent began in January 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 Aqua Ohio - Ashtabula'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; 3 are health-based, and the most recent began in January 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 Aqua Ohio - Ashtabula's water quality report?

As a community water system, Aqua Ohio - Ashtabula 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
Ashtabula County Water System	Ashtabula	14,757	Community	Purchased 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, “Aqua Ohio - Ashtabula, PWSID OH0400711, Ohio”, https://aquacensus.com/water-systems/ohio/aqua-ohio-ashtabula-oh0400711 (data as of October 1, 2026).