Public water system · MD1051054
ActiveCamp Mardela Main Camp
At a glance
Camp Mardela Main Camp (PWSID MD1051054) is an active transient non-community water system in Caroline County, Maine. It reports serving 51 people through 18 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in April 2003.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
51
Service connections
18
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Camp Mardela Main Camp compare with other water systems in Caroline County?
By EPA's size categories, Camp Mardela Main Camp is a very small system (500 people or fewer). Caroline County has 1 active public water system, and Camp Mardela Main Camp is the largest of them by population served. Its population served is roughly in line with the county average of 51 people per system, and accounts for 100% of the 51 people reported by systems filed under the county. Across Maine, the 1,862 active systems average 503 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Camp Mardela Main Camp is about 65% below 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. Maine has 1,091 active transient non-community water systems, 59% of the state's 1,862 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,780 Maine systems (96%) list groundwater as their primary source.
Who owns and regulates Camp Mardela Main Camp?
EPA lists Camp Mardela Main Camp 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 Caroline County (100%) are also privately owned.
Does Camp Mardela Main Camp have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in April 2003. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 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 |
|---|---|---|---|---|
| 2003-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
The one violation in EPA's records.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.
Camp Mardela Main Camp: frequently asked questions
Who runs Camp Mardela Main Camp?
Camp Mardela Main Camp (PWSID MD1051054) is a transient non-community water system privately owned. It is regulated by the MD state drinking water program.
How many people does Camp Mardela Main Camp serve?
Camp Mardela Main Camp reports serving 51 people through 18 service connections in Caroline County, Maine.
Where does Camp Mardela Main Camp 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 Camp Mardela Main Camp have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in April 2003. 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 Camp Mardela Main Camp'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 one violation for this system; it is health-based, and the most recent began in April 2003. For current results, consult EPA ECHO, or the MD state drinking water program.
Where can I find Camp Mardela Main Camp's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Camp Mardela Main Camp 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.
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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, “Camp Mardela Main Camp, PWSID MD1051054, Maine”, https://aquacensus.com/water-systems/maine/camp-mardela-main-camp-md1051054 (data as of October 1, 2026).