Public water system · MD0030212
ActiveStella Maris
At a glance
Stella Maris (PWSID MD0030212) is an active community water system in Baltimore County, Maryland. It reports serving 873 people through 2 service connections. Its primary water source is purchased surface water, 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
873
Service connections
2
Primary source
SWP
Purchased surface water
System type
CWS
Community water system
System record
How does Stella Maris compare with other water systems in Baltimore County?
By EPA's size categories, Stella Maris is a small system (501 to 3,300 people). Baltimore County has 272 active public water systems. Its population served is about 5.2 times the county average of 168 people per system, and accounts for 1.9% 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 community water system reports serving 6,703 people, so Stella Maris is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Maryland has 422 active community water systems, 14% 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 Stella Maris?
EPA lists Stella Maris 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. 221 of the 272 active systems in Baltimore County (81%) are also privately owned.
Does Stella Maris 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 Stella Maris. For the latest compliance status, check EPA ECHO for current compliance history.
Stella Maris: frequently asked questions
Who runs Stella Maris?
Stella Maris (PWSID MD0030212) is a community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Stella Maris serve?
Stella Maris reports serving 873 people through 2 service connections in Baltimore County, Maryland.
Where does Stella Maris 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 Stella Maris have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Stella Maris' 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 the system's annual water quality report, EPA ECHO, or the MD state drinking water program.
Where can I find Stella Maris' water quality report?
As a community water system, Stella Maris must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
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 |
| Um Saint Joseph Medical Center | Baltimore | 1,515 | 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 |
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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, “Stella Maris, PWSID MD0030212, Maryland”, https://aquacensus.com/water-systems/maryland/stella-maris-md0030212 (data as of October 1, 2026).