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AquaCensus

Public water system · MD0200004

Active

Martingham Utilities Cooperative

At a glance

Martingham Utilities Cooperative (PWSID MD0200004) is an active community water system in Talbot County, Maryland. It reports serving 675 people through 270 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2012.

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

Population served

675

Service connections

270

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDMD0200004
System typeCommunity water system
Activity statusActive
Population served675
Service connections270
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMD state drinking water program
City served—
StateMaryland
ZIP—
CountyTalbot County

How does Martingham Utilities Cooperative compare with other water systems in Talbot County?

By EPA's size categories, Martingham Utilities Cooperative is a small system (501 to 3,300 people). Talbot County has 41 active public water systems, and Martingham Utilities Cooperative is the 6th-largest of them by population served. Its population served is roughly in line with the county average of 701 people per system, and accounts for 2.3% of the 28,743 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 Martingham Utilities Cooperative 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 Martingham Utilities Cooperative?

EPA lists Martingham Utilities Cooperative 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. 32 of the 41 active systems in Talbot County (78%) are also privately owned.

Does Martingham Utilities Cooperative have drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2012. The violations listed here began between January 2005 and January 2012. By type: 4 monitoring and reporting and 1 contaminant level above the legal limit. The contaminant or rule involved most often is Arsenic (2 of them). EPA lists 5 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
2012-01-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2008-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoResolved
2007-12-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Arseniccode 1005NoResolved
2005-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

All 5 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.

Martingham Utilities Cooperative: frequently asked questions

Who runs Martingham Utilities Cooperative?

Martingham Utilities Cooperative (PWSID MD0200004) is a community water system privately owned. It is regulated by the MD state drinking water program.

How many people does Martingham Utilities Cooperative serve?

Martingham Utilities Cooperative reports serving 675 people through 270 service connections in Talbot County, Maryland.

Where does Martingham Utilities Cooperative 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 Martingham Utilities Cooperative have any drinking water violations?

EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in January 2012. 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 Martingham Utilities Cooperative'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 5 violations for this system; 1 is health-based, and the most recent began in January 2012. For current results, consult the system's annual water quality report, EPA ECHO, or the MD state drinking water program.

Where can I find Martingham Utilities Cooperative's water quality report?

As a community water system, Martingham Utilities Cooperative 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 Talbot County

Water systemCountyPopulation servedTypeSource
Easton UtilitiesTalbot17,357CommunityGroundwater
Town of St. MichaelsTalbot2,650CommunityGroundwater
Highs Dairy StoreTalbot1,909Transient non-communityGroundwater
Town of OxfordTalbot726CommunityGroundwater
Runway LiquorsTalbot720Transient non-communityGroundwater
St. Michaels MarketTalbot535Transient 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, “Martingham Utilities Cooperative, PWSID MD0200004, Maryland”, https://aquacensus.com/water-systems/maryland/martingham-utilities-cooperative-md0200004 (data as of October 1, 2026).