Travis County, Texas — public water systems

137 active public water systems serve Travis County, reporting 1.6M people served.

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

Active systems

137

Population served

1.6M

Community systems

Groundwater share

49.6%

Water systems in Travis County

Active public water systems in Travis County, Texas
#	Water system	County	Population served	Type	Source
1	City of Austin Water & Wastewater	Travis	1,115,323	Community	Surface water
2	City of Pflugerville	Travis	63,464	Community	Surface water
3	Travis County Wcid 17	Travis	45,165	Community	Surface water
4	Manville WSC	Travis	39,648	Community	Purchased surface water
5	West Travis County Public Utility Agency	Travis	35,664	Community	Surface water
6	Windermere Community	Travis	21,231	Community	Purchased surface water
7	City of Manor	Travis	19,620	Community	Groundwater
8	Wells Branch MUD 1	Travis	18,015	Community	Purchased surface water
9	Northtown MUD	Travis	11,520	Community	Purchased surface water
10	North Austin MUD 1	Travis	11,133	Community	Purchased surface water
11	Lakeway MUD	Travis	10,512	Community	Surface water
12	Austins Colony	Travis	9,987	Community	Groundwater
13	Travis County Wcid 10	Travis	9,204	Community	Purchased surface water
14	Creedmoor Maha WSC	Travis	8,907	Community	Purchased surface water
15	City of Lago Vista	Travis	8,698	Community	Surface water
16	Jonestown WSC	Travis	7,902	Community	Surface water
17	Travis County MUD 4	Travis	6,816	Community	Surface water
18	Travis County Wcid 18	Travis	5,733	Community	Surface water
19	Cottonwood Creek MUD 1	Travis	5,082	Community	Purchased groundwater
20	Mi Ranchito	Travis	4,833	Transient non-community	Groundwater
21	Lazy Nine MUD 1b	Travis	4,669	Community	Purchased surface water
22	Shady Hollow MUD	Travis	4,269	Community	Purchased surface water
23	Emma Long Metro Park	Travis	3,840	Transient non-community	Surface water
24	Wilbarger Creek MUD 1	Travis	3,459	Community	Purchased groundwater
25	Travis County MUD 14	Travis	3,333	Community	Purchased groundwater
26	Travis County MUD 2	Travis	3,294	Community	Purchased groundwater
27	Lakeside Wcid 2-C	Travis	3,084	Community	Purchased surface water
28	Briarcreek Subdivision	Travis	3,075	Community	Purchased groundwater
29	Hurst Creek MUD	Travis	2,880	Community	Surface water
30	Travis County Wcid Point Venture	Travis	2,835	Community	Surface water
31	Lakeside MUD 3	Travis	2,832	Community	Purchased surface water
32	Deer Creek Water	Travis	2,757	Community	Purchased surface water
33	Lakeside Wcid 2d	Travis	2,385	Community	Purchased surface water
34	Kelly Lane Wcid 1	Travis	2,331	Community	Purchased groundwater
35	Sandy Creek Ranches Subdivision	Travis	2,022	Community	Groundwater
36	Garfield WSC	Travis	1,950	Community	Groundwater
37	Cypress Ranch Wcid 1	Travis	1,785	Community	Groundwater
38	Loop 360 WSC	Travis	1,743	Community	Surface water
39	Lakeside Wcid 1	Travis	1,680	Community	Purchased surface water
40	Travis County MUD 13	Travis	1,644	Community	Purchased surface water
41	Travis County MUD 12	Travis	1,644	Community	Purchased surface water
42	City of Rollingwood	Travis	1,611	Community	Purchased surface water
43	City of Sunset Valley	Travis	1,524	Community	Purchased surface water
44	Travis County MUD 18	Travis	1,491	Community	Purchased surface water
45	Village of Briarcliff	Travis	1,438	Community	Surface water
46	Rivercrest Water System	Travis	1,437	Community	Purchased surface water
47	Travis County MUD 11	Travis	1,437	Community	Purchased surface water
48	Lakeside Wcid 2-B	Travis	1,419	Community	Purchased surface water
49	Lakeside Wcid 2-A	Travis	1,353	Community	Purchased surface water
50	Barton Creek West WSC	Travis	1,251	Community	Purchased surface water