Public water system · OH5400412
ActiveLake Shore Resort
At a glance
Lake Shore Resort (PWSID OH5400412) is an active transient non-community water system in Mercer County, Ohio. It reports serving 199 people through 298 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in October 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
199
Service connections
298
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Lake Shore Resort compare with other water systems in Mercer County?
By EPA's size categories, Lake Shore Resort is a very small system (500 people or fewer). Mercer County has 77 active public water systems. Its population served is about half of the county average of 397 people per system, and accounts for 0.7% of the 30,601 people reported by systems filed under the county. Across Ohio, the 3,854 active systems average 2,767 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Lake Shore Resort is about 38% above that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Ohio has 2,282 active transient non-community water systems, 59% of the state's 3,854 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 3,446 Ohio systems (89%) list groundwater as their primary source.
Who owns and regulates Lake Shore Resort?
EPA lists Lake Shore Resort 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. 69 of the 77 active systems in Mercer County (90%) are also privately owned.
Does Lake Shore Resort have drinking water violations?
EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in October 2012. The violations listed here began between April 1992 and October 2012. By type: 3 contaminant level above the legal limit and 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 5 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 |
|---|---|---|---|---|
| 2012-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2012-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1997-07-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1992-04-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1992-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | 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 Shore Resort: frequently asked questions
Who runs Lake Shore Resort?
Lake Shore Resort (PWSID OH5400412) is a transient non-community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Lake Shore Resort serve?
Lake Shore Resort reports serving 199 people through 298 service connections in Mercer County, Ohio.
Where does Lake Shore Resort get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Lake Shore Resort have any drinking water violations?
EPA's records list 5 violations for this system; 3 are health-based, and the most recent began in October 2012. 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 Shore Resort'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; 3 are health-based, and the most recent began in October 2012. For current results, consult EPA ECHO, or the OH state drinking water program.
Where can I find Lake Shore Resort's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lake Shore Resort is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in Mercer County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Celina, City of | Mercer | 11,682 | Community | Surface water |
| Coldwater Village | Mercer | 4,774 | Community | Groundwater |
| St Henry Village | Mercer | 2,596 | Community | Groundwater |
| Ft Recovery Village | Mercer | 1,501 | Community | Groundwater |
| Rockford Village | Mercer | 1,120 | Community | Groundwater |
| Mendon Village | Mercer | 628 | 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 Shore Resort, PWSID OH5400412, Ohio”, https://aquacensus.com/water-systems/ohio/lake-shore-resort-oh5400412 (data as of October 1, 2026).