Public water system · MD1020132
ActiveJemals Bay 50 Plaza
At a glance
Jemals Bay 50 Plaza (PWSID MD1020132) is an active non-transient non-community water system in Anne Arundel County, District of Columbia. It reports serving 50 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
50
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Jemals Bay 50 Plaza compare with other water systems in Anne Arundel County?
By EPA's size categories, Jemals Bay 50 Plaza is a very small system (500 people or fewer). Anne Arundel County has 1 active public water system, and Jemals Bay 50 Plaza is the largest of them by population served. Its population served is roughly in line with the county average of 50 people per system, and accounts for 100% of the 50 people reported by systems filed under the county. Across District of Columbia, the 12 active systems average 58,113 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Jemals Bay 50 Plaza 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. District of Columbia has 7 active non-transient non-community water systems, 58% of the state's 12 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6 District of Columbia systems (50%) list groundwater as their primary source.
Who owns and regulates Jemals Bay 50 Plaza?
EPA lists Jemals Bay 50 Plaza 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. 1 of the 1 active systems in Anne Arundel County (100%) are also privately owned.
Does Jemals Bay 50 Plaza have drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. The violations listed here began between January 2020 and January 2026. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 12 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 |
|---|---|---|---|---|
| 2026-01-01 | Monitoring and reportingLead Consumer Notice · code 66 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2021-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Seleniumcode 1045 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Mercurycode 1035 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Cadmiumcode 1015 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Antimonycode 1074 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Berylliumcode 1075 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Thalliumcode 1085 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nickelcode 1036 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Chromiumcode 1020 | No | Resolved |
The 12 most recent 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.
Jemals Bay 50 Plaza: frequently asked questions
Who runs Jemals Bay 50 Plaza?
Jemals Bay 50 Plaza (PWSID MD1020132) is a non-transient non-community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Jemals Bay 50 Plaza serve?
Jemals Bay 50 Plaza reports serving 50 people through 2 service connections in Anne Arundel County, District of Columbia.
Where does Jemals Bay 50 Plaza 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 Jemals Bay 50 Plaza have any drinking water violations?
Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. 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 Jemals Bay 50 Plaza'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. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in January 2026. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Jemals Bay 50 Plaza's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Jemals Bay 50 Plaza 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.
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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, “Jemals Bay 50 Plaza, PWSID MD1020132, District of Columbia”, https://aquacensus.com/water-systems/district-of-columbia/jemals-bay-50-plaza-md1020132 (data as of October 1, 2026).