Public water system · MA4020023
ActiveSandy Neck Beach
At a glance
Sandy Neck Beach (PWSID MA4020023) is an active transient non-community water system in Barnstable County, Massachusetts. It reports serving 300 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in October 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
300
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Sandy Neck Beach compare with other water systems in Barnstable County?
By EPA's size categories, Sandy Neck 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 Sandy Neck 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 Sandy Neck Beach?
EPA lists Sandy Neck 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 Sandy Neck Beach have drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in October 2009. The violations listed here began between October 2008 and October 2009. By type: 3 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 4 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 |
|---|---|---|---|---|
| 2009-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2009-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 2008-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-10-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
All 4 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.
Sandy Neck Beach: frequently asked questions
Who runs Sandy Neck Beach?
Sandy Neck Beach (PWSID MA4020023) 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 Sandy Neck Beach serve?
Sandy Neck Beach reports serving 300 people through 2 service connections in Barnstable County, Massachusetts.
Where does Sandy Neck 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 Sandy Neck Beach have any drinking water violations?
EPA's records list 4 violations for this system; 3 are health-based, and the most recent began in October 2009. 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 Sandy Neck 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 records list 4 violations for this system; 3 are health-based, and the most recent began in October 2009. For current results, consult EPA ECHO, or the MA state drinking water program.
Where can I find Sandy Neck Beach's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Sandy Neck 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 system | County | Population served | Type | Source |
|---|---|---|---|---|
| Falmouth Water Dept | Barnstable | 97,551 | Community | Surface water |
| Dennis Water District | Barnstable | 65,000 | Community | Groundwater |
| Upper Cape Regional Water Cooperative | Barnstable | 56,250 | Community | Groundwater |
| Centerville Osterville Marstons Mills Wd | Barnstable | 50,000 | Community | Groundwater |
| Harwich Water Department | Barnstable | 39,144 | Community | Groundwater |
| Yarmouth Water Department | Barnstable | 38,900 | Community | Groundwater |
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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, “Sandy Neck Beach, PWSID MA4020023, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/sandy-neck-beach-ma4020023 (data as of October 1, 2026).