Public water system · MD1061257
ActiveSt. Marks Union Church
At a glance
St. Marks Union Church (PWSID MD1061257) is an active transient non-community water system in Carroll County, Maryland. It reports serving 60 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in September 2013.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
60
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does St. Marks Union Church compare with other water systems in Carroll County?
By EPA's size categories, St. Marks Union Church is a very small system (500 people or fewer). Carroll County has 208 active public water systems. Its population served is well below the county average of 618 people per system, and accounts for less than 0.1% of the 128,551 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active transient non-community water system reports serving 144 people, so St. Marks Union Church is about 58% below 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. Maryland has 2,079 active transient non-community water systems, 69% of the state's 2,992 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 2,870 Maryland systems (96%) list groundwater as their primary source.
Who owns and regulates St. Marks Union Church?
EPA lists St. Marks Union Church as privately owned. The MD state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 185 of the 208 active systems in Carroll County (89%) are also privately owned.
Does St. Marks Union Church have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in September 2013. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2013-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The one violation in EPA's records.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.
St. Marks Union Church: frequently asked questions
Who runs St. Marks Union Church?
St. Marks Union Church (PWSID MD1061257) is a transient non-community water system privately owned. It is regulated by the MD state drinking water program.
How many people does St. Marks Union Church serve?
St. Marks Union Church reports serving 60 people through 1 service connection in Carroll County, Maryland.
Where does St. Marks Union 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 St. Marks Union Church have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in September 2013. 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 St. Marks Union 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. EPA's records list one violation for this system; it is health-based, and the most recent began in September 2013. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find St. Marks Union Church's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. St. Marks Union 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 Carroll County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Westminster | Carroll | 35,256 | Community | Surface water |
| Freedom District | Carroll | 24,867 | Community | Surface water |
| Town of Mount Airy | Carroll | 9,890 | Community | Groundwater |
| City of Taneytown | Carroll | 6,750 | Community | Groundwater |
| Town of Hampstead | Carroll | 6,600 | Community | Groundwater |
| Town of Manchester | Carroll | 4,954 | 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, “St. Marks Union Church, PWSID MD1061257, Maryland”, https://aquacensus.com/water-systems/maryland/st-marks-union-church-md1061257 (data as of October 1, 2026).