Skip to content
AquaCensus

Public water system · MD1161069

Active

National Colonial Farm (Accokeek Fnd.)

At a glance

National Colonial Farm (Accokeek Fnd.) (PWSID MD1161069) is an active transient non-community water system in Prince George's County, Maryland. It reports serving 65 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2017.

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

Population served

65

Service connections

4

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMD1161069
System typeTransient non-community water system
Activity statusActive
Population served65
Service connections4
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyMD state drinking water program
City served—
StateMaryland
ZIP—
CountyPrince George's County

How does National Colonial Farm (Accokeek Fnd.) compare with other water systems in Prince George's County?

By EPA's size categories, National Colonial Farm (Accokeek Fnd.) is a very small system (500 people or fewer). Prince George's County has 31 active public water systems. Its population served is well below the county average of 992 people per system, and accounts for 0.2% of the 30,750 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 National Colonial Farm (Accokeek Fnd.) is about half of 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 National Colonial Farm (Accokeek Fnd.)?

EPA lists National Colonial Farm (Accokeek Fnd.) as owned by the federal 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. 3 of the 31 active systems in Prince George's County (9.7%) are also owned by the federal government.

Does National Colonial Farm (Accokeek Fnd.) have drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 2017. The violations listed here began between July 2008 and July 2017. By type: 6 monitoring and reporting, 5 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (10 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.

BeganViolationContaminant or ruleHealth-basedStatus
2017-07-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2015-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2015-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
2015-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21Total coliform bacteria (TCR)code 3100YesResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2012-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2011-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2011-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-12-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2009-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2009-04-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
2008-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

National Colonial Farm (Accokeek Fnd.): frequently asked questions

Who runs National Colonial Farm (Accokeek Fnd.)?

National Colonial Farm (Accokeek Fnd.) (PWSID MD1161069) is a transient non-community water system owned by the federal government. It is regulated by the MD state drinking water program.

How many people does National Colonial Farm (Accokeek Fnd.) serve?

National Colonial Farm (Accokeek Fnd.) reports serving 65 people through 4 service connections in Prince George's County, Maryland.

Where does National Colonial Farm (Accokeek Fnd.) 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 National Colonial Farm (Accokeek Fnd.) have any drinking water violations?

Of the 12 most recent violations in EPA's records, 5 are health-based, and the most recent began in July 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 National Colonial Farm (Accokeek Fnd.)'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, 5 are health-based, and the most recent began in July 2017. For current results, consult EPA ECHO, or the MD state drinking water program.

Where can I find National Colonial Farm (Accokeek Fnd.)'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. National Colonial Farm (Accokeek Fnd.) 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 Prince George's County

Water systemCountyPopulation servedTypeSource
City of BowiePrince George's25,000CommunityGroundwater
U.S.D.A. Agricultural Research CenterPrince George's1,400Non-transient non-communityGroundwater
Cedarville Mobile Home ParkPrince George's780CommunityGroundwater
Patuxent River Park Aquasco, Girl ScoutPrince George's500Transient non-communityGroundwater
Calvert ManorPrince George's300CommunityGroundwater
Fast Fuels Gas StationPrince George's300Transient non-communityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “National Colonial Farm (Accokeek Fnd.), PWSID MD1161069, Maryland”, https://aquacensus.com/water-systems/maryland/national-colonial-farm-accokeek-fnd-md1161069 (data as of October 1, 2026).