Essex County, Massachusetts — public water systems

67 active public water systems serve Essex County, reporting 908.5K people served.

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

Active systems

Population served

908.5K

Community systems

Groundwater share

55.2%

Water systems in Essex County

Active public water systems in Essex County, Massachusetts
#	Water system	County	Population served	Type	Source
1	Lynn Water and Sewer Comm	Essex	101,253	Community	Surface water
2	Salem and Beverly Water Supply Board	Essex	90,330	Community	Surface water
3	Lawrence Water Works	Essex	88,877	Community	Surface water
4	Haverhill Water Dept	Essex	63,235	Community	Surface water
5	Peabody Water Dept.	Essex	54,481	Community	Surface water
6	Methuen Water Dept	Essex	53,059	Community	Surface water
7	Beverly Water Dept	Essex	47,461	Community	Purchased surface water
8	Salem Water Department	Essex	44,480	Community	Purchased surface water
9	Gloucester Public Utility Division	Essex	37,440	Community	Surface water
10	Andover Water Dept	Essex	36,569	Community	Surface water
11	North Andover Water Dept	Essex	30,915	Community	Surface water
12	Danvers Water Dept.	Essex	28,087	Community	Surface water
13	Saugus Water Dept. (MWRA)	Essex	27,082	Community	Purchased surface water
14	Marblehead Water Dept. (MWRA)	Essex	20,441	Community	Purchased surface water
15	Newburyport Water Department	Essex	20,335	Community	Surface water
16	Salisbury Water Division	Essex	20,000	Community	Groundwater
17	Amesbury Dpw Water Div.	Essex	17,366	Community	Surface water
18	Swampscott Water Dept. (MWRA)	Essex	15,175	Community	Purchased surface water
19	Ipswich Dpu Water Dept	Essex	13,090	Community	Surface water
20	Rockport Water Dept	Essex	10,000	Community	Surface water
21	Georgetown Water Department	Essex	8,766	Community	Groundwater
22	Lynnfield Center Water District	Essex	8,569	Community	Purchased surface water
23	Hamilton Water Dept	Essex	7,377	Community	Groundwater
24	Middleton Water Dept.	Essex	7,255	Community	Purchased surface water
25	Merrimac Water Department	Essex	7,193	Community	Groundwater
26	Groveland Water Department	Essex	6,743	Community	Groundwater
27	Rowley Water Department	Essex	6,283	Community	Groundwater
28	Topsfield Water Department	Essex	5,435	Community	Groundwater
29	Manchester By the Sea Dpw	Essex	5,170	Community	Surface water
30	Lynnfield Water Dist. (MWRA)	Essex	4,820	Community	Purchased surface water
31	Wenham Water Dept.	Essex	3,942	Community	Groundwater
32	Essex Water Dept.	Essex	3,675	Community	Groundwater
33	Nahant Water Dept. (MWRA)	Essex	3,334	Community	Purchased surface water
34	West Newbury Water Department	Essex	3,080	Community	Purchased surface water
35	Byfield Water District	Essex	2,228	Community	Groundwater
36	Pequot Highlands	Essex	900	Community	Purchased surface water
37	Rocky Mountain Spring Water Vending	Essex	500	Transient non-community	Purchased groundwater
38	Spofford Pond School	Essex	486	Non-transient non-community	Groundwater
39	Harry Lee Cole School	Essex	439	Non-transient non-community	Groundwater
40	Sagamore Spring Golf Club, Inc..	Essex	250	Transient non-community	Groundwater
41	The Water Store of Saugus (Vnd)	Essex	250	Transient non-community	Purchased surface water
42	Boxford Community Store Inc.	Essex	200	Transient non-community	Groundwater
43	Ipswich River Wildlife Refuge	Essex	180	Transient non-community	Groundwater
44	Essex Meeting and Retreat Center, LLC	Essex	150	Transient non-community	Groundwater
45	The Village Store Bldg.	Essex	150	Transient non-community	Groundwater
46	Andrews Farm Water Co.,Inc..	Essex	150	Community	Groundwater
47	Four Mile Village	Essex	133	Community	Groundwater
48	Boxford Meeting Place	Essex	120	Transient non-community	Groundwater
49	Far Corner Farm Golf Course Inc..	Essex	120	Transient non-community	Groundwater
50	Center at 10 Elm	Essex	100	Transient non-community	Groundwater