Public water system · MD1181155
ActiveSeven Eleven # 20835 Mechanicsville
At a glance
Seven Eleven # 20835 Mechanicsville (PWSID MD1181155) is an active transient non-community water system in St. Mary's County, Maryland. It reports serving 403 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
403
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Seven Eleven # 20835 Mechanicsville compare with other water systems in St. Mary's County?
By EPA's size categories, Seven Eleven # 20835 Mechanicsville is a very small system (500 people or fewer). St. Mary's County has 194 active public water systems. Its population served is about 37% below the county average of 642 people per system, and accounts for 0.3% of the 124,635 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 Seven Eleven # 20835 Mechanicsville is about 180% 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 Seven Eleven # 20835 Mechanicsville?
EPA lists Seven Eleven # 20835 Mechanicsville 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. 137 of the 194 active systems in St. Mary's County (71%) are also privately owned.
Does Seven Eleven # 20835 Mechanicsville have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Seven Eleven # 20835 Mechanicsville. For the latest compliance status, check EPA ECHO for current compliance history.
Seven Eleven # 20835 Mechanicsville: frequently asked questions
Who runs Seven Eleven # 20835 Mechanicsville?
Seven Eleven # 20835 Mechanicsville (PWSID MD1181155) is a transient non-community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Seven Eleven # 20835 Mechanicsville serve?
Seven Eleven # 20835 Mechanicsville reports serving 403 people through 1 service connection in St. Mary's County, Maryland.
Where does Seven Eleven # 20835 Mechanicsville 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 Seven Eleven # 20835 Mechanicsville have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Seven Eleven # 20835 Mechanicsville'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Seven Eleven # 20835 Mechanicsville's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Seven Eleven # 20835 Mechanicsville 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 St. Mary's County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lexington Park | St. Mary's | 43,030 | Community | Groundwater |
| Patuxent Naval Air Station (Navfac-Wash) | St. Mary's | 22,000 | Community | Groundwater |
| Town of Leonardtown | St. Mary's | 5,000 | Community | Groundwater |
| Country Lakes | St. Mary's | 3,016 | Community | Groundwater |
| Cedar Cove | St. Mary's | 2,728 | Community | Groundwater |
| Saint Marys College | St. Mary's | 2,200 | 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, “Seven Eleven # 20835 Mechanicsville, PWSID MD1181155, Maryland”, https://aquacensus.com/water-systems/maryland/seven-eleven-20835-mechanicsville-md1181155 (data as of October 1, 2026).