Region
Edwards Aquifer (Tex.)
13
Texas
13
Trinity Aquifer (Tex.)
5
Edwards Aquifer
4
Bexar County
3
Comal County
2
Edwards County
2
Hays County
2
Kinney County
2
Austin Region
1
Georgetown Region
1
Georgetown Region (Tex.)
1
Hays County (Tex.)
1
Medina County
1
San Gabriel River
1
San Gabriel River Watershed
1
Trinity Aquifer
1