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Public water system · MA2011004

Active

Ash/Win Joint Water Authority

At a glance

Ash/Win Joint Water Authority (PWSID MA2011004) is an active community water system in Worcester County, Massachusetts. It reports serving 11,394 people through 2 service connections. Its primary water source is surface water, 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

11,394

Service connections

2

Primary source

SW

Surface water

System type

CWS

Community water system

System record

PWSIDMA2011004
System typeCommunity water system
Activity statusActive
Population served11,394
Service connections2
Primary water sourceSurface water
Owner typeLocal government
Primacy agencyMA state drinking water program
City servedAshburnham
StateMassachusetts
ZIP01430
CountyWorcester County

How does Ash/Win Joint Water Authority compare with other water systems in Worcester County?

By EPA's size categories, Ash/Win Joint Water Authority is a large system (10,001 to 100,000 people). Worcester County has 346 active public water systems. Its population served is about 5.1 times the county average of 2,239 people per system, and accounts for 1.5% of the 774,523 people reported by systems filed under the county. Across Massachusetts, the 1,636 active systems average 6,275 people each. Nationally, the average active community water system reports serving 6,703 people, so Ash/Win Joint Water Authority is about 70% above 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. Massachusetts has 531 active community water systems, 32% of the state's 1,636 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 76 Massachusetts systems (4.6%) list surface water as their primary source.

Who owns and regulates Ash/Win Joint Water Authority?

EPA lists Ash/Win Joint Water Authority 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. 80 of the 346 active systems in Worcester County (23%) are also owned by a local government.

Does Ash/Win Joint Water Authority 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 Ash/Win Joint Water Authority. For the latest compliance status, check EPA ECHO for current compliance history.

Ash/Win Joint Water Authority: frequently asked questions

Who runs Ash/Win Joint Water Authority?

Ash/Win Joint Water Authority (PWSID MA2011004) is a community water system owned by a local government. It is regulated by the MA state drinking water program.

How many people does Ash/Win Joint Water Authority serve?

Ash/Win Joint Water Authority reports serving 11,394 people through 2 service connections in Worcester County, Massachusetts.

Where does Ash/Win Joint Water Authority get its water?

EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.

Does Ash/Win Joint Water Authority have any drinking water violations?

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

Is Ash/Win Joint Water Authority'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 the system's annual water quality report, EPA ECHO, or the MA state drinking water program.

Where can I find Ash/Win Joint Water Authority's water quality report?

As a community water system, Ash/Win Joint Water Authority 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 Worcester County

Water systemCountyPopulation servedTypeSource
Worcester Dpwp, Water Supply DivisionWorcester206,518CommunitySurface water
Fitchburg Dpw Division of Water SupplyWorcester41,946CommunitySurface water
Leominster Water DivisionWorcester41,683CommunitySurface water
Shrewsbury Water DepartmentWorcester38,325CommunityGroundwater
Milford Water DepartmentWorcester30,379CommunitySurface water
Westborough Water DepartmentWorcester21,567CommunitySurface water

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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, “Ash/Win Joint Water Authority, PWSID MA2011004, Massachusetts”, https://aquacensus.com/water-systems/massachusetts/ash-win-joint-water-authority-ma2011004 (data as of October 1, 2026).