Public water system · MD1030077
ActivePurnell Armory - Md Army National Guard
At a glance
Purnell Armory - Md Army National Guard (PWSID MD1030077) is an active non-transient non-community water system in Baltimore County, Maryland. It reports serving 25 people through 6 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in October 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
6
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Purnell Armory - Md Army National Guard compare with other water systems in Baltimore County?
By EPA's size categories, Purnell Armory - Md Army National Guard is a very small system (500 people or fewer). Baltimore County has 272 active public water systems. Its population served is well below the county average of 168 people per system, and accounts for less than 0.1% 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 Purnell Armory - Md Army National Guard is well 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 Purnell Armory - Md Army National Guard?
EPA lists Purnell Armory - Md Army National Guard as owned by a state 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. 8 of the 272 active systems in Baltimore County (2.9%) are also owned by a state government.
Does Purnell Armory - Md Army National Guard have drinking water violations?
EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in October 2017. The violations listed here began between October 1999 and October 2017. By type: 10 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (6 of them). EPA lists 11 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 |
|---|---|---|---|---|
| 2017-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2016-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2003-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2002-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2002-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2000-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 1999-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 11 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.
Purnell Armory - Md Army National Guard: frequently asked questions
Who runs Purnell Armory - Md Army National Guard?
Purnell Armory - Md Army National Guard (PWSID MD1030077) is a non-transient non-community water system owned by a state government. It is regulated by the MD state drinking water program.
How many people does Purnell Armory - Md Army National Guard serve?
Purnell Armory - Md Army National Guard reports serving 25 people through 6 service connections in Baltimore County, Maryland.
Where does Purnell Armory - Md Army National Guard 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 Purnell Armory - Md Army National Guard have any drinking water violations?
EPA's records list 11 violations for this system; 1 is health-based, and the most recent began in October 2017. 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 Purnell Armory - Md Army National Guard'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 11 violations for this system; 1 is health-based, and the most recent began in October 2017. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Purnell Armory - Md Army National Guard's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Purnell Armory - Md Army National Guard 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, “Purnell Armory - Md Army National Guard, PWSID MD1030077, Maryland”, https://aquacensus.com/water-systems/maryland/purnell-armory-md-army-national-guard-md1030077 (data as of October 1, 2026).