What does 'people served' mean?

People served refers to the total population that receives water service from the utility. This number represents the estimated number of residents within the utility's service area.

Why are utilities listed by city?

Utilities are listed by their primary city of operation to help users find water services in their local area. Some utilities may serve multiple cities or unincorporated areas within a region.

How can I get more details about a utility?

Click on any utility name or the 'View Profile' button to access the full utility profile page, which includes detailed information, contact details, and compliance data.

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Drinking Water Utilities in Massachusetts

Q: How many drinking water utilities are in Massachusetts?

Massachusetts has 159 drinking water utilities serving more than 10,000 people listed in this directory.

Browse utilities serving more than 10,000 people by location and population served.

Utilities listed

159

Total people served

5,998,150

Largest utility

Boston Water and Sewer Commission (MWRA)

617,594 people

Coverage

100%

with population data

Massachusetts has 159 drinking water utilities serving more than 10,000 people in this directory. The largest utility by population served is Boston Water and Sewer Commission (MWRA), serving 617,594 people. Utilities are listed with their city location and population served.

People Served:

01,000,000

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Utility Name	City	People Served	Action
Boston Water and Sewer Commission (MWRA)	Boston	617,594	View Profile
Springfield Water and Sewer Commission	Springfield	230,331	View Profile
Worcester Department of Public Works	Worcester	181,045	View Profile
Lowell Regional Water Utility	Lowell	106,519	View Profile
Cambridge Water Department (MWRA)	Cambridge	105,162	View Profile
Quincy Water Department (MWRA)	Quincy	96,329	View Profile
New Bedford Department of Public Infrastructure	New Bedford	95,072	View Profile
Brockton Water Commission	Brockton	93,810	View Profile
Lynn Water and Sewer Commission (MWRA)	Lynn	90,329	View Profile
Newton Water Department (MWRA)	Newton	89,045	View Profile
Fall River Water Department	Fall River	88,857	View Profile
Somerville Water Department (MWRA)	Somerville	81,322	View Profile
Falmouth Water Department	Falmouth	77,500	View Profile
Lawrence Water Works	Lawrence	76,377	View Profile
Framingham Water Department (MWRA)	Framingham	68,318	View Profile
Dennis Water District	South Dennis	65,000	View Profile
Waltham Water Department (MWRA)	Waltham	60,630	View Profile
Malden Water Division (MWRA)	Malden	59,450	View Profile
Brookline Water And Sewer Div. (MWRA)	Brookline	58,732	View Profile
Taunton Water Division	Taunton	58,088	View Profile
Haverhill Water Department	Haverhill	57,311	View Profile
Medford Water Department (MWRA)	Medford	57,000	View Profile
Chicopee Water Department (MWRA)	Chicopee	55,144	View Profile
Weymouth Water Department	Weymouth	53,925	View Profile
Peabody Water Department (MWRA)	Peabody	52,474	View Profile
Revere Water Department (MWRA)	Revere	51,755	View Profile
Methuen Water Department	Methuen	50,259	View Profile
Centerville Osterville Marstons Mills WD	Osterville	50,000	View Profile
Pittsfield DPU Water Department	Pittsfield	44,737	View Profile
Attleboro Water Department	Attleboro	43,593	View Profile
Beverly Water Department	Beverly	43,316	View Profile
Salem Water Department	Salem	42,869	View Profile
Arlington Water Department (MWRA)	Arlington	42,844	View Profile
Dedham Westwood Water District	Dedham	42,581	View Profile
Everett Water Department (MWRA)	Everett	42,101	View Profile
Westfield Water Department	Westfield	42,000	View Profile
Plymouth Water Department	Plymouth	41,499	View Profile
Weir River Water System	Hingham	41,082	View Profile
Fitchburg Dpw, Div. of Water Supply	Fitchburg	40,545	View Profile
Leominster Water Division (MWRA)	Leominster	40,490	View Profile
Billerica Water Works	Billerica	40,243	View Profile
Holyoke Water Works	Holyoke	40,124	View Profile
Yarmouth Water Department	West Yarmouth	39,635	View Profile
Harwich Water Department	East Harwich	38,643	View Profile
Marlborough DPW Water Div. (MWRA)	Marlborough	38,499	View Profile
Woburn Water Department (MWRA)	Woburn	38,120	View Profile
Amherst DPW Water Division	Amherst	37,819	View Profile
Gloucester DPW Water Department	Gloucester	37,715	View Profile
Braintree Water and Sewer Department	Braintree	37,544	View Profile
Natick Water Department	Natick	36,137	View Profile

Showing 1 to 50 of 159 utilities

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Top Drinking Water Utilities in Massachusetts by Population Served

Frequently Asked Questions

Definitions

People served: Total population supplied with water by the utility system.
Drinking water utility: A public water system that provides potable (safe to drink) water to residential and commercial customers through a distribution network.