Public water system · MD1030103
ActiveUm Saint Joseph Medical Center
At a glance
Um Saint Joseph Medical Center (PWSID MD1030103) is an active non-transient non-community water system in Baltimore County, Maryland. It reports serving 1,515 people through 2 service connections. Its primary water source is purchased surface water, and EPA lists it as under public/private ownership. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,515
Service connections
2
Primary source
SWP
Purchased surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Um Saint Joseph Medical Center compare with other water systems in Baltimore County?
By EPA's size categories, Um Saint Joseph Medical Center is a small system (501 to 3,300 people). Baltimore County has 272 active public water systems, and Um Saint Joseph Medical Center is the 2nd-largest of them by population served. Its population served is about 9 times the county average of 168 people per system, and accounts for 3.3% of the 45,805 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Um Saint Joseph Medical Center is about 3.5 times that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Maryland has 491 active non-transient non-community water systems, 16% of the state's 2,992 active systems. Purchased surface water means the system buys surface water from another public water system rather than drawing its own. 48 Maryland systems (1.6%) list purchased surface water as their primary source.
Who owns and regulates Um Saint Joseph Medical Center?
EPA lists Um Saint Joseph Medical Center as under public/private ownership. 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. 1 of the 272 active systems in Baltimore County (0.4%) are also under public/private ownership.
Does Um Saint Joseph Medical Center 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 Um Saint Joseph Medical Center. For the latest compliance status, check EPA ECHO for current compliance history.
Um Saint Joseph Medical Center: frequently asked questions
Who runs Um Saint Joseph Medical Center?
Um Saint Joseph Medical Center (PWSID MD1030103) is a non-transient non-community water system under public/private ownership. It is regulated by the MD state drinking water program.
How many people does Um Saint Joseph Medical Center serve?
Um Saint Joseph Medical Center reports serving 1,515 people through 2 service connections in Baltimore County, Maryland.
Where does Um Saint Joseph Medical Center get its water?
EPA SDWIS lists this system's primary water source as purchased surface water. Purchased surface water means the system buys surface water from another public water system rather than drawing its own.
Does Um Saint Joseph Medical Center have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Um Saint Joseph Medical Center'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 Um Saint Joseph Medical Center's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Um Saint Joseph Medical Center is a non-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 Baltimore County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Manor Shopping Center | Baltimore | 2,921 | Non-transient non-community | Purchased surface water |
| Stevenson University | Baltimore | 1,313 | Non-transient non-community | Groundwater |
| Hereford High School | Baltimore | 1,300 | Non-transient non-community | Groundwater |
| Fork Christian Church | Baltimore | 1,245 | Transient non-community | Groundwater |
| Hereford Middle School | Baltimore | 1,050 | Non-transient non-community | Groundwater |
| Royal Farms #185 | Baltimore | 1,031 | 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, “Um Saint Joseph Medical Center, PWSID MD1030103, Maryland”, https://aquacensus.com/water-systems/maryland/um-saint-joseph-medical-center-md1030103 (data as of October 1, 2026).