Limestone County, Texas — public water systems

22 active public water systems serve Limestone County, reporting 25.5K people served.

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

Active systems

Population served

25.5K

Community systems

Groundwater share

72.7%

Water systems in Limestone County

Active public water systems in Limestone County, Texas
#	Water system	County	Population served	Type	Source
1	City of Mexia	Limestone	7,459	Community	Purchased groundwater
2	City of Groesbeck	Limestone	4,250	Community	Surface water
3	Point Enterprise WSC	Limestone	2,388	Community	Groundwater
4	Prairie Hill WSC	Limestone	2,150	Community	Groundwater
5	White Rock WSC 1 Forest Glade	Limestone	1,800	Community	Purchased surface water
6	Slc WSC	Limestone	1,749	Community	Surface water
7	City of Coolidge	Limestone	786	Community	Purchased surface water
8	Bistone Municipal Water Supply	Limestone	768	Community	Groundwater
9	White Rock WSC 3 West Lake Mexia	Limestone	696	Community	Purchased surface water
10	Shiloh WSC	Limestone	615	Community	Purchased surface water
11	City of Thornton Water System	Limestone	530	Community	Groundwater
12	City of Kosse	Limestone	461	Community	Groundwater
13	White Rock WSC 2 White Rock	Limestone	288	Community	Purchased groundwater
14	Limestone Electric Generating Facility	Limestone	275	Non-transient non-community	Groundwater
15	Hhsc Mexia State Supported Living Center	Limestone	256	Community	Purchased groundwater
16	City of Tehuacana	Limestone	224	Community	Purchased groundwater
17	Cedar Creek Water Supply	Limestone	207	Community	Groundwater
18	Lake Limestone Campground and Marina	Limestone	200	Transient non-community	Groundwater
19	Running Branch Campground & Marina	Limestone	168	Transient non-community	Groundwater
20	Rainbow Ranch	Limestone	150	Transient non-community	Groundwater
21	Green Lake Estates Water Supply	Limestone	66	Community	Groundwater
22	Big Creek West Subdivision Water Sytem	Limestone	57	Community	Groundwater