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Public water system · MD1211034

Active

Greenbrier State Park

At a glance

Greenbrier State Park (PWSID MD1211034) is an active transient non-community water system in Washington County, Maryland. It reports serving 1,150 people through 16 service connections. Its primary water source is surface water, and EPA lists it as owned by a state government. EPA's Safe Drinking Water Act records list no violations for this system.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

1,150

Service connections

16

Primary source

SW

Surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDMD1211034
System typeTransient non-community water system
Activity statusActive
Population served1,150
Service connections16
Primary water sourceSurface water
Owner typeState government
Primacy agencyMD state drinking water program
City served—
StateMaryland
ZIP—
CountyWashington County

How does Greenbrier State Park compare with other water systems in Washington County?

By EPA's size categories, Greenbrier State Park is a small system (501 to 3,300 people). Washington County has 78 active public water systems. Its population served is about 27% below the county average of 1,584 people per system, and accounts for 0.9% of the 123,580 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 Greenbrier State Park is about 8 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 31 Maryland systems (1%) list surface water as their primary source.

Who owns and regulates Greenbrier State Park?

EPA lists Greenbrier State Park 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. 6 of the 78 active systems in Washington County (7.7%) are also owned by a state government.

Does Greenbrier State Park 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 Greenbrier State Park. For the latest compliance status, check EPA ECHO for current compliance history.

Greenbrier State Park: frequently asked questions

Who runs Greenbrier State Park?

Greenbrier State Park (PWSID MD1211034) is a transient non-community water system owned by a state government. It is regulated by the MD state drinking water program.

How many people does Greenbrier State Park serve?

Greenbrier State Park reports serving 1,150 people through 16 service connections in Washington County, Maryland.

Where does Greenbrier State Park get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Greenbrier State Park have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Greenbrier State Park'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 Greenbrier State Park's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Greenbrier State Park 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 Washington County

Water systemCountyPopulation servedTypeSource
City of HagerstownWashington92,200CommunitySurface water
Boonsboro - KeedysvilleWashington4,250CommunitySurface water
Town of Smithsburg Distribution SystemWashington2,500CommunityPurchased surface water
Town of Williamsport Distribution SystemWashington2,400CommunityPurchased surface water
Town of HancockWashington1,921CommunityGroundwater
Sideling Hill State Park Exhibit Rt 68 WWashington1,603Transient non-communityGroundwater

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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, “Greenbrier State Park, PWSID MD1211034, Maryland”, https://aquacensus.com/water-systems/maryland/greenbrier-state-park-md1211034 (data as of October 1, 2026).