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 New Hampshire

Q: How many drinking water utilities are in New Hampshire?

New Hampshire has 18 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

Total people served

551,477

Largest utility

Manchester Water Works

133,000 people

Coverage

100%

with population data

New Hampshire has 18 drinking water utilities serving more than 10,000 people in this directory. The largest utility by population served is Manchester Water Works, serving 133,000 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
Manchester Water Works	Manchester	133,000	View Profile
Pennichuck Water Works	Nashua	87,682	View Profile
Concord Water Department	Concord	44,000	View Profile
Portsmouth Water Works	Portsmouth	33,000	View Profile
Dover Water Department	Dover	28,000	View Profile
Keene Water Department	Keene	25,000	View Profile
Merrimack Village District	Merrimack	25,000	View Profile
Rochester Water Department	Rochester	25,000	View Profile
Aquarion Water - NH	Monroe	23,000	View Profile
Salem Water Department	Salem	18,000	View Profile
Hudson Water Department	Hudson	16,100	View Profile
UNH/Durham Water Sys	Durham	16,000	View Profile
Laconia Water Works	Lakeport	15,500	View Profile
Derry Water Department	Derry	15,145	View Profile
Seabrook Water Department	Seabrook	14,000	View Profile
Somersworth Water Works	Somersworth	12,000	View Profile
Exeter Water Department	Exeter	11,000	View Profile
Lebanon Water Department	Lebanon	10,050	View Profile

Showing 1 to 18 of 18 utilities

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Top Drinking Water Utilities in New Hampshire 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.