Solano County, California — public water systems

63 active public water systems serve Solano County, reporting 473.1K people served.

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

Active systems

Population served

473.1K

Community systems

Groundwater share

77.8%

Water systems in Solano County

Active public water systems in Solano County, California
#	Water system	County	Population served	Type	Source
1	City of Vallejo	Solano	121,420	Community	Surface water
2	City of Fairfield	Solano	120,377	Community	Surface water
3	City of Vacaville	Solano	99,650	Community	Surface water
4	Suisun-Solano Water Authority	Solano	29,105	Community	Surface water
5	City of Benicia	Solano	27,131	Community	Surface water
6	California Water Service Co.-Travis Afb	Solano	18,111	Community	Purchased surface water
7	City of Dixon	Solano	12,540	Community	Groundwater
8	California Water Service Co. - Dixon	Solano	10,623	Community	Groundwater
9	City of Rio Vista	Solano	10,489	Community	Groundwater
10	California State Prison - Solano	Solano	5,100	Community	Surface water
11	Hunter Hill Safety Roadside Rest Area	Solano	3,707	Transient non-community	Groundwater
12	City of Vallejo-Lakes System	Solano	2,800	Community	Surface water
13	Rural North Vacaville Water District	Solano	1,313	Community	Groundwater
14	Self-Serve Petroleum	Solano	1,210	Transient non-community	Groundwater
15	Valley Evangelical Free Church	Solano	1,200	Transient non-community	Groundwater
16	Lake Solano Park	Solano	1,019	Transient non-community	Groundwater
17	Rush Ranch Open Space	Solano	656	Transient non-community	Groundwater
18	Vineyard Rv Park	Solano	550	Community	Groundwater
19	Sid - Gibson Canyon	Solano	535	Community	Surface water
20	Rockwell Collins Inc.. (Fka Upco-Utas)	Solano	477	Non-transient non-community	Groundwater
21	Dixon Migrant Center	Solano	346	Non-transient non-community	Groundwater
22	Mariani Packing Company, Inc..	Solano	300	Non-transient non-community	Groundwater
23	Sid - Elmira	Solano	290	Community	Groundwater
24	Gill Sidhu Chevron	Solano	255	Transient non-community	Groundwater
25	Wooden Valley Winery	Solano	250	Transient non-community	Groundwater
26	Connection Point Church	Solano	202	Transient non-community	Groundwater
27	Campbell Soup Dixon	Solano	186	Non-transient non-community	Groundwater
28	Northbay Logistics Center Fka Savemart	Solano	180	Non-transient non-community	Groundwater
29	Neil'S Service Center	Solano	170	Non-transient non-community	Groundwater
30	Superior Packing Co	Solano	164	Non-transient non-community	Groundwater
31	Moose Lodge 1967	Solano	159	Transient non-community	Surface water
32	Punjabi Dhaba	Solano	155	Transient non-community	Groundwater
33	Hines Nurseries Winters North	Solano	150	Non-transient non-community	Groundwater
34	Dixon 76	Solano	149	Transient non-community	Groundwater
35	Sid - Quail Canyon	Solano	132	Community	Groundwater
36	Snug Harbor Rv Lp	Solano	125	Community	Groundwater
37	Pedrick Produce	Solano	120	Transient non-community	Groundwater
38	Midway Stars 76 Gas Station & Food Mart	Solano	111	Transient non-community	Groundwater
39	West Wind Winery	Solano	103	Transient non-community	Groundwater
40	Hines Nursery Winters South	Solano	100	Non-transient non-community	Groundwater
41	Blue Victorian Winery	Solano	100	Transient non-community	Groundwater
42	Midway Foods	Solano	100	Transient non-community	Groundwater
43	Hastings Island Hunting Preserve	Solano	100	Transient non-community	Groundwater
44	Birds Landing Hunting Preserve	Solano	100	Transient non-community	Groundwater
45	Sid - Pleasant Hills Ranch	Solano	89	Community	Surface water
46	Hidden Acres Trailer Villa	Solano	80	Community	Groundwater
47	Caymus Cordelia Winery	Solano	75	Non-transient non-community	Groundwater
48	Easterly Wwtp - Vacaville	Solano	70	Non-transient non-community	Groundwater
49	Delta Conservation Camp	Solano	65	Community	Groundwater
50	Harris Moran Seed Company	Solano	64	Non-transient non-community	Groundwater