Lehigh County, Pennsylvania — public water systems

197 active public water systems serve Lehigh County, reporting 292.8K people served.

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

Active systems

197

Population served

292.8K

Community systems

Groundwater share

94.4%

Water systems in Lehigh County

Active public water systems in Lehigh County, Pennsylvania
#	Water system	County	Population served	Type	Source
1	Lca Allentown Division	Lehigh	118,000	Community	Surface water
2	Lca Wlsa Central Division	Lehigh	47,693	Community	Purchased surface water
3	Swt Main System	Lehigh	14,500	Community	Purchased surface water
4	Emmaus Borough Public Water	Lehigh	14,000	Community	Groundwater
5	Whitehall Twp Authority	Lehigh	13,063	Community	Groundwater
6	Salisbury Twp Water System	Lehigh	8,522	Community	Purchased surface water
7	Lv Hospital Cedar Crest	Lehigh	8,425	Non-transient non-community	Purchased surface water
8	Upper Saucon Twp Water Supply	Lehigh	7,300	Community	Purchased surface water
9	Catasauqua Mun Water Works	Lehigh	6,598	Community	Groundwater
10	Slatington Borough Water Sys	Lehigh	4,450	Community	Surface water
11	Macungie Borough Authority	Lehigh	3,039	Community	Groundwater
12	Lca North Whitehall Division	Lehigh	2,910	Community	Purchased surface water
13	Coopersburg Mun Water Auth	Lehigh	2,570	Community	Groundwater
14	Lehigh Carbon Community Colleg	Lehigh	2,500	Non-transient non-community	Groundwater
15	Lehigh Career & Technical Inst	Lehigh	2,400	Non-transient non-community	Groundwater
16	Alburtis Borough Authority	Lehigh	2,117	Community	Groundwater
17	Desales University	Lehigh	2,000	Community	Groundwater
18	Lca Arcadia West Division	Lehigh	1,392	Community	Groundwater
19	Swt Allentown Cons System	Lehigh	1,300	Community	Purchased surface water
20	Lca Emmaus Consecutive Div	Lehigh	1,046	Community	Purchased groundwater
21	Lca Washington Township Div	Lehigh	965	Community	Purchased surface water
22	Nwlsd High School	Lehigh	821	Non-transient non-community	Groundwater
23	Kernsville Elementary School	Lehigh	750	Non-transient non-community	Groundwater
24	Nwlsd Middle School	Lehigh	681	Non-transient non-community	Groundwater
25	Aqua Pa Springhouse Farms	Lehigh	645	Community	Groundwater
26	Nestle Purina Petcare Co	Lehigh	640	Non-transient non-community	Groundwater
27	Kidspeace - Orchard Hills Camp	Lehigh	640	Non-transient non-community	Groundwater
28	Lil Wolf MHP	Lehigh	600	Community	Groundwater
29	Nwlsd Elementary School	Lehigh	582	Non-transient non-community	Groundwater
30	Glencrest Mobile Home Park	Lehigh	570	Community	Groundwater
31	Hanover Township Lehigh County	Lehigh	520	Community	Purchased surface water
32	Lca Heidelberg Heights Div	Lehigh	509	Community	Groundwater
33	Lehigh Cc Club House System	Lehigh	500	Transient non-community	Groundwater
34	Ken-Man Water Co	Lehigh	475	Community	Groundwater
35	Hometown Breakfast Bar & Grill	Lehigh	450	Transient non-community	Groundwater
36	Peters Elementary School	Lehigh	426	Non-transient non-community	Groundwater
37	Big Woodys	Lehigh	400	Transient non-community	Groundwater
38	Shankweilers Drive in Theater	Lehigh	400	Transient non-community	Groundwater
39	Yoccos South	Lehigh	400	Transient non-community	Groundwater
40	Jordan United Church of Christ	Lehigh	350	Transient non-community	Groundwater
41	Allentown Lehigh Valley Koa	Lehigh	340	Transient non-community	Groundwater
42	St Pauls Ucc of Trexlertown	Lehigh	300	Transient non-community	Groundwater
43	Milford Bible Camp	Lehigh	300	Transient non-community	Groundwater
44	Lca Madison North Division	Lehigh	290	Community	Groundwater
45	Aqua Pa Country Club Gardens	Lehigh	268	Community	Groundwater
46	Lca Upper Milford Central Div	Lehigh	256	Community	Groundwater
47	Lehigh Valley Zoo	Lehigh	250	Transient non-community	Groundwater
48	Star Plaza	Lehigh	250	Non-transient non-community	Groundwater
49	Trivet Family Restaurant I	Lehigh	250	Transient non-community	Groundwater
50	St Michaels Archangel School	Lehigh	250	Non-transient non-community	Groundwater