Public water system · OH4302911
ActiveLake County East Water Subdistrict
At a glance
Lake County East Water Subdistrict (PWSID OH4302911) is an active community water system in Lake County, Ohio. It reports serving 40,656 people through 11,352 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in November 2014.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40,656
Service connections
11,352
Primary source
SW
Surface water
System type
CWS
Community water system
System record
How does Lake County East Water Subdistrict compare with other water systems in Lake County?
By EPA's size categories, Lake County East Water Subdistrict is a large system (10,001 to 100,000 people). Lake County has 20 active public water systems, and Lake County East Water Subdistrict is the 3rd-largest of them by population served. Its population served is about 3.5 times the county average of 11,511 people per system, and accounts for 18% 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 East Water Subdistrict is about 6.1 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 East Water Subdistrict?
EPA lists Lake County East 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 East Water Subdistrict have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in November 2014. The violations listed here began between June 2009 and November 2014. By type: 5 monitoring and reporting. The contaminant or rule involved most often is Surface Water Treatment Rule (4 of them). EPA lists 4 as archived and 1 as resolved. 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. 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 |
|---|---|---|---|---|
| 2014-11-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2014-10-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2014-09-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2014-08-01 | Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36 | Surface Water Treatment Rulecode 0200 | No | Archived |
| 2009-06-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | 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.
Lake County East Water Subdistrict: frequently asked questions
Who runs Lake County East Water Subdistrict?
Lake County East Water Subdistrict (PWSID OH4302911) 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 East Water Subdistrict serve?
Lake County East Water Subdistrict reports serving 40,656 people through 11,352 service connections in Lake County, Ohio.
Where does Lake County East 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 East Water Subdistrict have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in November 2014. 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 East 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 5 violations for this system; none is health-based, and the most recent began in November 2014. 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 East Water Subdistrict's water quality report?
As a community water system, Lake County East 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 |
|---|---|---|---|---|
| Lake County West Water Subdistrict | Lake | 78,379 | Community | Surface water |
| Aqua Ohio - Mentor | Lake | 74,500 | 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 East Water Subdistrict, PWSID OH4302911, Ohio”, https://aquacensus.com/water-systems/ohio/lake-county-east-water-subdistrict-oh4302911 (data as of October 1, 2026).