Public water system · OH7241612
ActiveMillersville St Mary Church
At a glance
Millersville St Mary Church (PWSID OH7241612) is an active transient non-community water system in Sandusky County, Ohio. It reports serving 256 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in April 2002.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
256
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Millersville St Mary Church compare with other water systems in Sandusky County?
By EPA's size categories, Millersville St Mary Church is a very small system (500 people or fewer). Sandusky County has 52 active public water systems. Its population served is about 63% below the county average of 701 people per system, and accounts for 0.7% of the 36,457 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 Millersville St Mary Church is about 78% 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 Millersville St Mary Church?
EPA lists Millersville St Mary Church 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. 45 of the 52 active systems in Sandusky County (87%) are also privately owned.
Does Millersville St Mary Church have drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in April 2002. The violations listed here began between January 1998 and April 2002. By type: 8 contaminant level above the legal limit and 4 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (11 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2002-04-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2001-07-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1999-04-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1998-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1998-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
The 12 most recent 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.
Millersville St Mary Church: frequently asked questions
Who runs Millersville St Mary Church?
Millersville St Mary Church (PWSID OH7241612) is a transient non-community water system privately owned. It is regulated by the OH state drinking water program.
How many people does Millersville St Mary Church serve?
Millersville St Mary Church reports serving 256 people through 2 service connections in Sandusky County, Ohio.
Where does Millersville St Mary Church 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 Millersville St Mary Church have any drinking water violations?
Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in April 2002. 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 Millersville St Mary Church'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. Of the 12 most recent violations in EPA's records, 8 are health-based, and the most recent began in April 2002. For current results, consult EPA ECHO, or the OH state drinking water program.
Where can I find Millersville St Mary Church's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Millersville St Mary Church 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 Sandusky County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Fremont City | Sandusky | 18,319 | Community | Surface water |
| Clyde City | Sandusky | 6,325 | Community | Surface water |
| Gibsonburg Village Pws | Sandusky | 2,506 | Community | Groundwater |
| Woodville Village | Sandusky | 2,006 | Community | Groundwater |
| Lakota Pre K-12 School | Sandusky | 1,262 | Non-transient non-community | Groundwater |
| Friendship Food Store #80 | Sandusky | 575 | 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, “Millersville St Mary Church, PWSID OH7241612, Ohio”, https://aquacensus.com/water-systems/ohio/millersville-st-mary-church-oh7241612 (data as of October 1, 2026).