Skip to content
AquaCensus

Public water system · MA4296012

Active

Polly Hill Arboretum, Inc..

At a glance

Polly Hill Arboretum, Inc.. (PWSID MA4296012) is an active transient non-community water system in Dukes County, Massachusetts. It reports serving 60 people through 2 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, 2 are health-based, and the most recent began in September 2023.

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

Population served

60

Service connections

2

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDMA4296012
System typeTransient non-community water system
Activity statusActive
Population served60
Service connections2
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyMA state drinking water program
City servedTisbury
StateMassachusetts
ZIP02575
CountyDukes County

How does Polly Hill Arboretum, Inc.. compare with other water systems in Dukes County?

By EPA's size categories, Polly Hill Arboretum, Inc.. is a very small system (500 people or fewer). Dukes County has 25 active public water systems. Its population served is well below the county average of 1,687 people per system, and accounts for 0.1% of the 42,176 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 Polly Hill Arboretum, Inc.. is about 58% 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 Polly Hill Arboretum, Inc..?

EPA lists Polly Hill Arboretum, Inc.. 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. 14 of the 25 active systems in Dukes County (56%) are also privately owned.

Does Polly Hill Arboretum, Inc.. have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in September 2023. The violations listed here began between April 2010 and September 2023. By type: 3 reporting, 3 monitoring, 3 monitoring and reporting, 2 contaminant level above the legal limit and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Revised Total Coliform Rule (6 of them). EPA lists 9 as resolved and 3 as archived. 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. 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
2023-09-11ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2023-08-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2021-04-11ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2021-01-11ReportingReport Sample Result/Fail Monitor (RTCR) · code 4BRevised Total Coliform Rulecode 8000NoResolved
2021-01-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2020-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2015-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2014-06-01Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25Total coliform bacteria (TCR)code 3100NoResolved
2012-09-01Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26Total coliform bacteria (TCR)code 3100NoResolved
2012-09-01Public notice, recordkeeping or otherNotification, State · code 05Total coliform bacteria (TCR)code 3100NoResolved
2012-09-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2010-04-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved

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.

Polly Hill Arboretum, Inc..: frequently asked questions

Who runs Polly Hill Arboretum, Inc..?

Polly Hill Arboretum, Inc.. (PWSID MA4296012) is a transient non-community water system privately owned. It is regulated by the MA state drinking water program.

How many people does Polly Hill Arboretum, Inc.. serve?

Polly Hill Arboretum, Inc.. reports serving 60 people through 2 service connections in Dukes County, Massachusetts.

Where does Polly Hill Arboretum, Inc.. 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 Polly Hill Arboretum, Inc.. have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in September 2023. 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 Polly Hill Arboretum, Inc..'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, 2 are health-based, and the most recent began in September 2023. For current results, consult EPA ECHO, or the MA state drinking water program.

Where can I find Polly Hill Arboretum, Inc..'s water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Polly Hill Arboretum, Inc.. 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 Dukes County

Water systemCountyPopulation servedTypeSource
Oak Bluffs Water DistrictDukes24,000CommunityGroundwater
Edgartown Water DepartmentDukes8,027CommunityGroundwater
Tisbury Water WorksDukes6,082CommunityGroundwater
Menemsha Water CompanyDukes841CommunityGroundwater
Marthas Vineyard AirportDukes750Non-transient non-communityPurchased groundwater
Gosnold Water DeptDukes425CommunityGroundwater

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, “Polly Hill Arboretum, Inc.., PWSID MA4296012, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/polly-hill-arboretum-inc-ma4296012 (data as of October 1, 2026).