Public water system · MD1131107
ActiveSt. Marks Episcopal Church
At a glance
St. Marks Episcopal Church (PWSID MD1131107) is an active transient non-community water system in Howard County, Maryland. It reports serving 205 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 not health-based, and the most recent began in April 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
205
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does St. Marks Episcopal Church compare with other water systems in Howard County?
By EPA's size categories, St. Marks Episcopal Church is a very small system (500 people or fewer). Howard County has 87 active public water systems. Its population served is well below the county average of 3,556 people per system, and accounts for less than 0.1% of the 309,341 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 Episcopal Church is about 42% 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. 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 Episcopal Church?
EPA lists St. Marks Episcopal 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. 62 of the 87 active systems in Howard County (71%) are also privately owned.
Does St. Marks Episcopal Church have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2020. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. EPA lists 1 as archived. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2020-04-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
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 Episcopal Church: frequently asked questions
Who runs St. Marks Episcopal Church?
St. Marks Episcopal Church (PWSID MD1131107) 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 Episcopal Church serve?
St. Marks Episcopal Church reports serving 205 people through 1 service connection in Howard County, Maryland.
Where does St. Marks Episcopal 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 Episcopal Church have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in April 2020. 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 Episcopal 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 not health-based, and the most recent began in April 2020. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find St. Marks Episcopal Church's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. St. Marks Episcopal 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 Howard County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Howard County D.P.W. Distribution | Howard | 286,158 | Community | Purchased surface water |
| Glenelg High School | Howard | 1,532 | Non-transient non-community | Groundwater |
| Bushy Park Es/Glenwood Ms Complex | Howard | 1,500 | Non-transient non-community | Groundwater |
| Highs of Cooksville | Howard | 1,321 | Transient non-community | Groundwater |
| Royal Farms Store | Howard | 1,015 | Transient non-community | Groundwater |
| Glenelg Country School | Howard | 950 | Non-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, “St. Marks Episcopal Church, PWSID MD1131107, Maryland”, https://aquacensus.com/water-systems/maryland/st-marks-episcopal-church-md1131107 (data as of October 1, 2026).