Galveston County, Texas — public water systems

54 active public water systems serve Galveston County, reporting 405.2K people served.

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

Active systems

Population served

405.2K

Community systems

Groundwater share

55.6%

Water systems in Galveston County

Active public water systems in Galveston County, Texas
#	Water system	County	Population served	Type	Source
1	City of League City	Galveston	128,412	Community	Purchased surface water
2	City of Texas City	Galveston	54,357	Community	Purchased surface water
3	City of Galveston	Galveston	52,326	Community	Purchased surface water
4	City of Friendswood	Galveston	43,190	Community	Purchased surface water
5	Galveston County Wcid 1	Galveston	30,399	Community	Purchased surface water
6	Bolivar Peninsula Sud	Galveston	19,476	Community	Purchased surface water
7	City of La Marque	Galveston	15,154	Community	Purchased surface water
8	San Leon MUD	Galveston	11,622	Community	Purchased surface water
9	Bacliff MUD	Galveston	8,900	Community	Purchased surface water
10	Galveston County Wcid 12	Galveston	8,721	Community	Purchased surface water
11	City of Hitchcock	Galveston	8,379	Community	Purchased surface water
12	Galveston County Wcid 8	Galveston	7,065	Community	Purchased surface water
13	Galveston County MUD 12	Galveston	2,900	Community	Purchased surface water
14	Galveston County Fwsd 6 Tiki Island	Galveston	2,568	Community	Purchased surface water
15	Bayview MUD	Galveston	1,839	Community	Purchased surface water
16	The Barn at Willowynn	Galveston	1,700	Transient non-community	Groundwater
17	Colonel Museum Inc.	Galveston	1,500	Transient non-community	Purchased surface water
18	City of Jamaica Beach	Galveston	1,075	Community	Purchased surface water
19	City of Kemah Mmd 1	Galveston	741	Community	Purchased surface water
20	Galveston County Wcid 19	Galveston	660	Community	Groundwater
21	Sea Side	Galveston	576	Transient non-community	Purchased surface water
22	Texas City Terminal Railway Co	Galveston	450	Transient non-community	Purchased surface water
23	Galveston Bay Rv	Galveston	414	Transient non-community	Groundwater
24	Union Carbide Texas City	Galveston	300	Non-transient non-community	Purchased surface water
25	Tl Mini Express	Galveston	250	Transient non-community	Groundwater
26	Ineos Acetyls Chemicals Texas City	Galveston	235	Non-transient non-community	Purchased surface water
27	Watergate Yachting Center	Galveston	200	Transient non-community	Groundwater
28	Marquee on the Bay	Galveston	192	Transient non-community	Groundwater
29	Lone Pine Subdivision	Galveston	141	Community	Groundwater
30	Tiffany Water	Galveston	128	Community	Purchased surface water
31	Grab All Drive in Groc	Galveston	125	Transient non-community	Groundwater
32	West Bay Assembly of God	Galveston	100	Transient non-community	Groundwater
33	Rain River Estates	Galveston	100	Community	Groundwater
34	Texas City Bayou Golf Club	Galveston	90	Non-transient non-community	Groundwater
35	Roosters Orange Bar	Galveston	85	Transient non-community	Groundwater
36	Enchanted Forest Day Care	Galveston	85	Non-transient non-community	Groundwater
37	K & B Waterworks	Galveston	81	Community	Groundwater
38	Windsong Park	Galveston	78	Community	Groundwater
39	Haak Vineyards	Galveston	70	Transient non-community	Groundwater
40	Hillmans Seafoods	Galveston	60	Transient non-community	Groundwater
41	Seabrook Seafood	Galveston	55	Non-transient non-community	Groundwater
42	Long Term Rv Park	Galveston	50	Transient non-community	Groundwater
43	Toucans Convenience	Galveston	50	Transient non-community	Groundwater
44	Rozis Mini Mart 3	Galveston	50	Transient non-community	Groundwater
45	Dimitris Cabaret	Galveston	50	Transient non-community	Groundwater
46	Highland Bayou Estates WSC	Galveston	30	Community	Groundwater
47	Smt Capital Liquor & Grocery	Galveston	30	Transient non-community	Groundwater
48	Quality Mobile Home Park	Galveston	30	Community	Groundwater
49	Gastians Pier & Boat Ways	Galveston	25	Transient non-community	Groundwater
50	Beacon Lakes Golf Club	Galveston	25	Transient non-community	Groundwater