Skip to content
AquaCensus

Public water system · MA4086048

Active

Seaman Cottages LLC

At a glance

Seaman Cottages LLC (PWSID MA4086048) is an active transient non-community water system in Barnstable County, Massachusetts. It reports serving 36 people through 10 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2008.

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

Population served

36

Service connections

10

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMA4086048
System typeTransient non-community water system
Activity statusActive
Population served36
Service connections10
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMA state drinking water program
City servedEastham
StateMassachusetts
ZIP02642
CountyBarnstable County

How does Seaman Cottages LLC compare with other water systems in Barnstable County?

By EPA's size categories, Seaman Cottages LLC is a very small system (500 people or fewer). Barnstable County has 125 active public water systems. Its population served is well below the county average of 5,016 people per system, and accounts for less than 0.1% of the 627,054 people reported by systems filed under the county. Across Massachusetts, the 1,636 active systems average 6,275 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Seaman Cottages LLC is well 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. Massachusetts has 859 active transient non-community water systems, 53% of the state's 1,636 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,354 Massachusetts systems (83%) list groundwater as their primary source.

Who owns and regulates Seaman Cottages LLC?

EPA lists Seaman Cottages LLC as privately owned. The MA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 80 of the 125 active systems in Barnstable County (64%) are also privately owned.

Does Seaman Cottages LLC have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2008. The violations listed here began between August 2000 and April 2008. By type: 12 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 of them). EPA lists 12 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.

BeganViolationContaminant or ruleHealth-basedStatus
2008-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
2005-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
2004-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2004-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2004-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2004-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoArchived
2003-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2003-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2002-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2002-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2000-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2000-08-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

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.

Seaman Cottages LLC: frequently asked questions

Who runs Seaman Cottages LLC?

Seaman Cottages LLC (PWSID MA4086048) is a transient non-community water system privately owned. It is regulated by the MA state drinking water program.

How many people does Seaman Cottages LLC serve?

Seaman Cottages LLC reports serving 36 people through 10 service connections in Barnstable County, Massachusetts.

Where does Seaman Cottages LLC 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 Seaman Cottages LLC have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in April 2008. 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 Seaman Cottages LLC'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, none is health-based, and the most recent began in April 2008. For current results, consult EPA ECHO, or the MA state drinking water program.

Where can I find Seaman Cottages LLC's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Seaman Cottages LLC 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 Barnstable County

Water systemCountyPopulation servedTypeSource
Falmouth Water DeptBarnstable97,551CommunitySurface water
Dennis Water DistrictBarnstable65,000CommunityGroundwater
Upper Cape Regional Water CooperativeBarnstable56,250CommunityGroundwater
Centerville Osterville Marstons Mills WdBarnstable50,000CommunityGroundwater
Harwich Water DepartmentBarnstable39,144CommunityGroundwater
Yarmouth Water DepartmentBarnstable38,900CommunityGroundwater

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, “Seaman Cottages LLC, PWSID MA4086048, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/seaman-cottages-llc-ma4086048 (data as of October 1, 2026).