Public water system · MD1101377
ActiveDunkin Donuts -Jefferson
At a glance
Dunkin Donuts -Jefferson (PWSID MD1101377) is an active transient non-community water system in Frederick County, Maryland. It reports serving 908 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
908
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Dunkin Donuts -Jefferson compare with other water systems in Frederick County?
By EPA's size categories, Dunkin Donuts -Jefferson is a small system (501 to 3,300 people). Frederick County has 211 active public water systems. Its population served is roughly in line with the county average of 1,007 people per system, and accounts for 0.4% of the 212,367 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 Dunkin Donuts -Jefferson is about 6.3 times 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 Dunkin Donuts -Jefferson?
EPA lists Dunkin Donuts -Jefferson 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 211 active systems in Frederick County (19%) are also owned by a local government.
Does Dunkin Donuts -Jefferson 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 Dunkin Donuts -Jefferson. For the latest compliance status, check EPA ECHO for current compliance history.
Dunkin Donuts -Jefferson: frequently asked questions
Who runs Dunkin Donuts -Jefferson?
Dunkin Donuts -Jefferson (PWSID MD1101377) is a transient non-community water system owned by a local government. It is regulated by the MD state drinking water program.
How many people does Dunkin Donuts -Jefferson serve?
Dunkin Donuts -Jefferson reports serving 908 people through 1 service connection in Frederick County, Maryland.
Where does Dunkin Donuts -Jefferson 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 Dunkin Donuts -Jefferson have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Dunkin Donuts -Jefferson'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Dunkin Donuts -Jefferson's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Dunkin Donuts -Jefferson 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 Frederick County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| New Design - Frederick County | Frederick | 74,911 | Community | Surface water |
| City of Frederick | Frederick | 54,000 | Community | Surface water |
| Town of Walkersville | Frederick | 8,440 | Community | Groundwater under influence of surface water |
| Fort Detrick | Frederick | 7,900 | Community | Surface water |
| City of Brunswick | Frederick | 7,312 | Community | Surface water |
| Town of Thurmont | Frederick | 6,200 | Community | Groundwater under influence of surface water |
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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, “Dunkin Donuts -Jefferson, PWSID MD1101377, Maryland”, https://aquacensus.com/water-systems/maryland/dunkin-donuts-jefferson-md1101377 (data as of October 1, 2026).