Delaware County, Pennsylvania — public water systems

21 active public water systems serve Delaware County, reporting 151.4K people served.

Dataset updated July 2026 . Source: EPA SDWIS/ECHO, refreshed quarterly.

Active systems

Population served

151.4K

Community systems

Groundwater share

85.7%

Water systems in Delaware County

Active public water systems in Delaware County, Pennsylvania
#	Water system	County	Population served	Type	Source
1	Chester Water Authority	Delaware	140,437	Community	Surface water
2	Veolia Water Bethel	Delaware	7,809	Community	Purchased surface water
3	Jimmy Johns	Delaware	500	Transient non-community	Groundwater
4	Chadds Ford Tavern	Delaware	500	Transient non-community	Groundwater
5	Malvern Camp at Stonybank	Delaware	400	Transient non-community	Groundwater
6	St Cornelius Rcc School Bldg	Delaware	300	Non-transient non-community	Groundwater
7	Brandywine Battlefield St Park	Delaware	200	Transient non-community	Groundwater
8	Ashleys Restaurant & Bar	Delaware	200	Transient non-community	Groundwater
9	Brinton Manor	Delaware	196	Community	Groundwater
10	Brandywine Summit Camp	Delaware	150	Transient non-community	Groundwater
11	Malvern School of Glen Mills	Delaware	125	Non-transient non-community	Groundwater
12	Gradyville Foods Country Deli	Delaware	125	Transient non-community	Groundwater
13	Commons at Chadds Ford	Delaware	100	Non-transient non-community	Groundwater
14	Radnor Valley Country Club	Delaware	80	Non-transient non-community	Purchased surface water
15	Kevorkian Building	Delaware	60	Non-transient non-community	Groundwater
16	Pathways	Delaware	53	Community	Groundwater
17	Brinton Suites	Delaware	50	Transient non-community	Groundwater
18	Southpoint Homeowners Assoc	Delaware	40	Community	Groundwater
19	The Inn at Grace Winery	Delaware	40	Transient non-community	Groundwater
20	St Cornelius Parish Life Ctr	Delaware	27	Transient non-community	Groundwater
21	Hillside Motel Glenn Mills	Delaware	25	Transient non-community	Groundwater