Hays County, Texas — public water systems

117 active public water systems serve Hays County, reporting 306.4K people served.

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

Active systems

117

Population served

306.4K

Community systems

Groundwater share

64.1%

Water systems in Hays County

Active public water systems in Hays County, Texas
#	Water system	County	Population served	Type	Source
1	City of San Marcos	Hays	72,970	Community	Surface water
2	City of Kyle	Hays	52,000	Community	Purchased surface water
3	Texas State University - San Marcos	Hays	43,552	Community	Groundwater
4	Goforth Sud	Hays	34,893	Community	Purchased surface water
5	County Line Sud	Hays	19,609	Community	Purchased surface water
6	City of Buda	Hays	13,830	Community	Purchased surface water
7	Dripping Springs WSC	Hays	8,037	Community	Purchased surface water
8	Plum Creek	Hays	7,065	Community	Purchased surface water
9	Wimberley WSC	Hays	5,334	Community	Groundwater
10	Hays Cisd Jack C Hays High School	Hays	4,048	Non-transient non-community	Groundwater
11	Hays County Wcid 2	Hays	3,381	Community	Purchased surface water
12	Woodcreek Utility Co 2	Hays	3,096	Community	Groundwater under influence of surface water
13	Hays County Wcid 1	Hays	2,850	Community	Purchased surface water
14	Woodcreek Utility Co 1	Hays	2,700	Community	Groundwater
15	South Buda Wcid 1	Hays	2,517	Community	Purchased surface water
16	Headwaters at Barton Creek	Hays	2,315	Community	Purchased surface water
17	Cimarron Park Water	Hays	2,079	Community	Groundwater
18	Mid-Tex Utilities	Hays	1,569	Community	Purchased surface water
19	Meadow Woods Water Supply	Hays	1,554	Community	Groundwater
20	Leisurewoods Water	Hays	1,338	Community	Groundwater
21	Reunion Ranch Wcid	Hays	1,326	Community	Purchased surface water
22	Salt Lick Bar B Q	Hays	1,143	Transient non-community	Purchased surface water
23	Oak Meadows	Hays	954	Community	Groundwater
24	La Ventana Water Supply System	Hays	747	Community	Groundwater
25	Ruby Ranch WSC	Hays	738	Community	Groundwater
26	City of Mountain City	Hays	725	Community	Groundwater
27	Elliott Ranch Water System	Hays	639	Community	Groundwater
28	Promiseland Church San Marcos	Hays	625	Non-transient non-community	Groundwater
29	City of Dripping Springs	Hays	531	Community	Purchased surface water
30	Cedar Oak Mesa WSC	Hays	497	Community	Groundwater
31	Sierra West Subdivision	Hays	495	Community	Groundwater
32	Goldenwood West WSC	Hays	462	Community	Groundwater under influence of surface water
33	San Marcos Baptist Academy	Hays	450	Non-transient non-community	Groundwater
34	Chaparral Water System Hays	Hays	444	Community	Groundwater
35	Hays Youth Sports Complex	Hays	400	Transient non-community	Groundwater
36	Huntington Estates	Hays	378	Community	Groundwater
37	Trattoria Lisina	Hays	350	Transient non-community	Groundwater
38	Hawks Shadow Winery	Hays	350	Transient non-community	Purchased surface water
39	Oak Forest WSC	Hays	339	Community	Groundwater
40	River Oaks Ranch	Hays	336	Community	Groundwater
41	Southwest Territory	Hays	315	Community	Groundwater
42	Mountain Crest Water	Hays	309	Community	Groundwater
43	Henly Baseball Complex	Hays	300	Transient non-community	Groundwater
44	Sellers Wine Bar	Hays	300	Transient non-community	Purchased surface water
45	Horseshoe Ridge Rv Resort	Hays	300	Transient non-community	Groundwater
46	Hays Hills Baptist Church	Hays	300	Transient non-community	Groundwater
47	Driftwood Golf and Ranch Club	Hays	294	Community	Purchased surface water
48	Solaro Estate Winery	Hays	289	Transient non-community	Purchased surface water
49	Camp Young Judaea	Hays	285	Transient non-community	Groundwater
50	City of Hays	Hays	270	Community	Groundwater