Public water system · OH4302411
ActiveLake County West Water Subdistrict
At a glance
Lake County West Water Subdistrict (PWSID OH4302411) is an active community water system in Lake County, Ohio. It reports serving 78,379 people through 29,150 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
78,379
Service connections
29,150
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Lake County West Water Subdistrict compare with other water systems in Lake County?
By EPA's size categories, Lake County West Water Subdistrict is a large system (10,001 to 100,000 people). Lake County has 20 active public water systems, and Lake County West Water Subdistrict is the largest of them by population served. Its population served is about 6.8 times the county average of 11,511 people per system, and accounts for 34% of the 230,218 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 Lake County West Water Subdistrict is about 12 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 Lake County West Water Subdistrict?
EPA lists Lake County West Water Subdistrict 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. 7 of the 20 active systems in Lake County (35%) are also owned by a local government.
Does Lake County West Water Subdistrict have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2024. The violations listed here began between February 2020 and December 2024. By type: 1 public notice, recordkeeping or other and 1 monitoring. The contaminants or rules involved are Consumer Confidence Rule and Revised Total Coliform Rule. EPA lists 2 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 |
|---|---|---|---|---|
| 2024-12-18 | Public notice, recordkeeping or otherConsumer Confidence Report Inadequate Reporting · code 72 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2020-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 2 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.
Lake County West Water Subdistrict: frequently asked questions
Who runs Lake County West Water Subdistrict?
Lake County West Water Subdistrict (PWSID OH4302411) is a community water system owned by a local government. It is regulated by the OH state drinking water program.
How many people does Lake County West Water Subdistrict serve?
Lake County West Water Subdistrict reports serving 78,379 people through 29,150 service connections in Lake County, Ohio.
Where does Lake County West Water Subdistrict 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 Lake County West Water Subdistrict have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 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 Lake County West Water Subdistrict'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 2 violations for this system; none is health-based, and the most recent began in December 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 Lake County West Water Subdistrict's water quality report?
As a community water system, Lake County West Water Subdistrict 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 Lake County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Aqua Ohio - Mentor | Lake | 74,500 | Community | Surface water |
| Lake County East Water Subdistrict | Lake | 40,656 | Community | Surface water |
| Painesville City Pws | Lake | 31,728 | Community | Surface water |
| Fairport Harbor Village Pws | Lake | 3,180 | Community | Purchased surface water |
| Lake County Pinecrest Subdistrict | Lake | 298 | Community | Purchased surface water |
| Standing Rock Farms | Lake | 252 | Transient non-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, “Lake County West Water Subdistrict, PWSID OH4302411, Ohio”, https://aquacensus.com/water-systems/ohio/lake-county-west-water-subdistrict-oh4302411 (data as of October 1, 2026).