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.

Back to Utilities Market Overview Page

Drinking Water Utilities in Pennsylvania

Q: How many drinking water utilities are in Pennsylvania?

Pennsylvania has 146 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

146

Total people served

9,303,320

Largest utility

Philadelphia Water Department

1,600,000 people

Coverage

100%

with population data

Pennsylvania has 146 drinking water utilities serving more than 10,000 people in this directory. The largest utility by population served is Philadelphia Water Department, serving 1,600,000 people. Utilities are listed with their city location and population served.

People Served:

01,600,000

Loading map...

Utility Name	City	People Served	Action
Philadelphia Water Department	Philadelphia	1,600,000	View Profile
Aqua Pennsylvania Main System	Bryn Mawr	747,460	View Profile
Pennsylvania American Water Pittsburgh	Mcmurray	686,000	View Profile
Pittsburgh Water & Sewer Authority	Pittsburgh	520,000	View Profile
Erie City Water Authority	Erie	220,001	View Profile
York Water Company	York	206,762	View Profile
West View Water Authority	Pittsburgh	200,000	View Profile
Municipal Authority of Westmoreland County - Sweeney Water Treatment Plant	Greensburg	150,000	View Profile
Chester Water Authority	Chester	140,437	View Profile
Municipal Authority of Westmoreland County - Yough Plant	Greensburg	140,000	View Profile
Pennsylvania American Water Lake Scranton	Wilkes Barre	134,570	View Profile
Wilkinsburg-penn Joint Water Authority	Wilkinsburg	125,000	View Profile
City of Lancaster	Lancaster	120,000	View Profile
Lehigh County Authority Allentown Division	Allentown	118,000	View Profile
City of Bethlehem	Bethlehem	117,259	View Profile
United Water Pennsylvania	Harrisburg	110,000	View Profile
Easton Area Water System	Easton	96,867	View Profile
Pennsylvania American Water Company - Mechanicsburg	Mechanicsburg	93,368	View Profile
North Penn Water Authority	Lansdale	91,941	View Profile
Pennsylvania American Norristown	Norristown	88,885	View Profile
Reading Area Water Authority	Reading	87,000	View Profile
North Wales Water Authority	North Wales	72,496	View Profile
State College Boro Water Auth.	State College	72,000	View Profile
Capital Region Water	Harrisburg	66,540	View Profile
Lower Bucks County Joint Municipal Authority	Levittown	63,007	View Profile
Altoona Water Authority	Altoona	62,500	View Profile
Hampton Shaler Water Authority	Allison Park	61,949	View Profile
Pawc Ceasetown	Scranton	58,467	View Profile
Lebanon Water Authority	Lebanon	57,000	View Profile
Pawc Nesbitt	Scranton	52,640	View Profile
Bcwsa Main Lower South	Warrington	52,621	View Profile
Pawc Watres	Scranton	52,002	View Profile
Williamsport Mun Water Authority	Williamsport	51,000	View Profile
Pennsylvania American Water Company - Hershey	Hummelstown	50,200	View Profile
Beaver Falls Municipal Authority	Beaver Falls	50,000	View Profile
Greater Johnstown Wa Riverside	Johnstown	49,500	View Profile
Monroeville Municipal Authority	Monroeville	48,500	View Profile
Pennsylvania American Royersford	Spring City	48,253	View Profile
Aqua Pa Shenango Valley WTP	Sharon	48,000	View Profile
New Kensington Municipal Authority	New Kensington	47,800	View Profile
Lca Wlsa Central Division	Allentown	47,693	View Profile
Veolia - Mechanicsburg Pennsylvania	Harrisburg	45,013	View Profile
Hca Roan Filter Plant	Hazleton	45,000	View Profile
Aqua Pa Bensalem	Bryn Mawr	44,543	View Profile
Pennsylvania American Water Company Butler	New Castle	43,286	View Profile
Pennsylvania American Water Company New Castle	New Castle	43,279	View Profile
Aqua Pa Roaring Creek Division	Shamokin	43,000	View Profile
Cranberry Twp WTP	Cranberry Twp	42,000	View Profile
Hanover Municipal Water Works	Hanover	40,900	View Profile
Northampton Boro Municipal Authority	Northampton	40,000	View Profile

Showing 1 to 50 of 146 utilities

Rows per page:

Page 1 of 3

Top Drinking Water Utilities in Pennsylvania 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.