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Public water system · MD0100037

Active

Copperfield

At a glance

Copperfield (PWSID MD0100037) is an active community water system in Frederick County, Maryland. It reports serving 338 people through 125 service connections. 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

338

Service connections

125

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMD0100037
System typeCommunity water system
Activity statusActive
Population served338
Service connections125
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMD state drinking water program
City served—
StateMaryland
ZIP—
CountyFrederick County

How does Copperfield compare with other water systems in Frederick County?

By EPA's size categories, Copperfield is a very small system (500 people or fewer). Frederick County has 211 active public water systems. Its population served is about 66% below the county average of 1,007 people per system, and accounts for 0.2% 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 community water system reports serving 6,703 people, so Copperfield is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Maryland has 422 active community water systems, 14% 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 Copperfield?

EPA lists Copperfield 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 Copperfield 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 Copperfield. For the latest compliance status, check EPA ECHO for current compliance history.

Copperfield: frequently asked questions

Who runs Copperfield?

Copperfield (PWSID MD0100037) is a community water system owned by a local government. It is regulated by the MD state drinking water program.

How many people does Copperfield serve?

Copperfield reports serving 338 people through 125 service connections in Frederick County, Maryland.

Where does Copperfield 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 Copperfield have any drinking water violations?

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

Is Copperfield'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 the system's annual water quality report, EPA ECHO, or the MD state drinking water program.

Where can I find Copperfield's water quality report?

As a community water system, Copperfield must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Frederick County

Water systemCountyPopulation servedTypeSource
New Design - Frederick CountyFrederick74,911CommunitySurface water
City of FrederickFrederick54,000CommunitySurface water
Town of WalkersvilleFrederick8,440CommunityGroundwater under influence of surface water
Fort DetrickFrederick7,900CommunitySurface water
City of BrunswickFrederick7,312CommunitySurface water
Town of ThurmontFrederick6,200CommunityGroundwater 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, “Copperfield, PWSID MD0100037, Maryland”, https://aquacensus.com/water-systems/maryland/copperfield-md0100037 (data as of October 1, 2026).