Public water system · MD1121035
ActiveDublin Market
At a glance
Dublin Market (PWSID MD1121035) is an active transient non-community water system in Harford County, Maryland. It reports serving 157 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
157
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dublin Market compare with other water systems in Harford County?
By EPA's size categories, Dublin Market is a very small system (500 people or fewer). Harford County has 226 active public water systems. Its population served is well below the county average of 956 people per system, and accounts for less than 0.1% of the 215,993 people reported by systems filed under the county. Across Maryland, the 2,992 active systems average 1,947 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Dublin Market is roughly in line with that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Maryland has 2,079 active transient non-community water systems, 69% 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 Dublin Market?
EPA lists Dublin Market 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. 176 of the 226 active systems in Harford County (78%) are also privately owned.
Does Dublin Market have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2025. The violations listed here began between July 2024 and January 2025. By type: 1 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Nitrate and Revised Total Coliform Rule. EPA lists 2 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Archived |
| 2024-07-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
All 2 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.
Dublin Market: frequently asked questions
Who runs Dublin Market?
Dublin Market (PWSID MD1121035) is a transient non-community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Dublin Market serve?
Dublin Market reports serving 157 people through 1 service connection in Harford County, Maryland.
Where does Dublin Market 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 Dublin Market have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2025. 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 Dublin Market'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 2 violations for this system; none is health-based, and the most recent began in January 2025. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Dublin Market's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dublin Market is a 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 Harford County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Harford County D.P.W. | Harford | 104,567 | Community | Surface water |
| City of Aberdeen | Harford | 18,006 | Community | Purchased surface water |
| Chapel Hill - Aberdeen Proving Grounds | Harford | 15,000 | Community | Groundwater |
| City of Havre De Grace | Harford | 14,000 | Community | Surface water |
| Maryland American Water Company | Harford | 13,200 | Community | Surface water |
| Harford Community College - Main Campus | Harford | 2,500 | 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, “Dublin Market, PWSID MD1121035, Maryland”, https://aquacensus.com/water-systems/maryland/dublin-market-md1121035 (data as of October 1, 2026).