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Public water system · MA4318110

Active

Newcomb Hollow Beach

At a glance

Newcomb Hollow Beach (PWSID MA4318110) is an active transient non-community water system in Barnstable County, Massachusetts. It reports serving 300 people through 1 service connection. 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

300

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMA4318110
System typeTransient non-community water system
Activity statusActive
Population served300
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyMA state drinking water program
City servedWellfleet
StateMassachusetts
ZIP02667
CountyBarnstable County

How does Newcomb Hollow Beach compare with other water systems in Barnstable County?

By EPA's size categories, Newcomb Hollow Beach 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 Newcomb Hollow Beach is about twice 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 Newcomb Hollow Beach?

EPA lists Newcomb Hollow Beach as owned by a local government. 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. 31 of the 125 active systems in Barnstable County (25%) are also owned by a local government.

Does Newcomb Hollow Beach 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 Newcomb Hollow Beach. For the latest compliance status, check EPA ECHO for current compliance history.

Newcomb Hollow Beach: frequently asked questions

Who runs Newcomb Hollow Beach?

Newcomb Hollow Beach (PWSID MA4318110) is a transient non-community water system owned by a local government. It is regulated by the MA state drinking water program.

How many people does Newcomb Hollow Beach serve?

Newcomb Hollow Beach reports serving 300 people through 1 service connection in Barnstable County, Massachusetts.

Where does Newcomb Hollow Beach 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 Newcomb Hollow Beach have any drinking water violations?

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

Is Newcomb Hollow Beach'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 EPA ECHO, or the MA state drinking water program.

Where can I find Newcomb Hollow Beach's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Newcomb Hollow Beach 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

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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, “Newcomb Hollow Beach, PWSID MA4318110, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/newcomb-hollow-beach-ma4318110 (data as of October 1, 2026).