Public water system · MD1030005
ActiveCarroll Manor Elementary School
At a glance
Carroll Manor Elementary School (PWSID MD1030005) is an active non-transient non-community water system in Baltimore County, Maryland. It reports serving 370 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 1998.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
370
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Carroll Manor Elementary School compare with other water systems in Baltimore County?
By EPA's size categories, Carroll Manor Elementary School is a very small system (500 people or fewer). Baltimore County has 272 active public water systems. Its population served is about twice the county average of 168 people per system, and accounts for 0.8% 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 Carroll Manor Elementary School is about 14% below 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. 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 Carroll Manor Elementary School?
EPA lists Carroll Manor Elementary School as owned by a local government. 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. 41 of the 272 active systems in Baltimore County (15%) are also owned by a local government.
Does Carroll Manor Elementary School have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 1998. The violations listed here began between January 1993 and July 1998. By type: 3 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 1998-07-01 | Required treatment not metOCCT/SOWT Study/Recommendation · code 57 | Lead and Copper Rulecode 5000 | Yes | Resolved |
| 1998-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1993-04-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1993-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Asbestoscode 1094 | No | Resolved |
All 4 violations in EPA's records, newest first.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.
Carroll Manor Elementary School: frequently asked questions
Who runs Carroll Manor Elementary School?
Carroll Manor Elementary School (PWSID MD1030005) is a non-transient non-community water system owned by a local government. It is regulated by the MD state drinking water program.
How many people does Carroll Manor Elementary School serve?
Carroll Manor Elementary School reports serving 370 people through 1 service connection in Baltimore County, Maryland.
Where does Carroll Manor Elementary School 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 Carroll Manor Elementary School have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in July 1998. 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 Carroll Manor Elementary School'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 4 violations for this system; 1 is health-based, and the most recent began in July 1998. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Carroll Manor Elementary School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Carroll Manor Elementary School 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 |
| 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, “Carroll Manor Elementary School, PWSID MD1030005, Maryland”, https://aquacensus.com/water-systems/maryland/carroll-manor-elementary-school-md1030005 (data as of October 1, 2026).