Region
Texas
30
Houston Region
14
Harris-Galveston Coastal Subsidence District (Tex.)
10
Houston
4
Galveston
3
Edwards Aquifer (Tex.)
2
Edwards Plateau Region
2
Fort Worth Region
2
Gaines County
2
Galveston Region
2
Tarrant County
2
Terry County
2
Trinity River Watershed
2
Yoakum County
2
Bell County
1
Chihuahua (State)
1
Gulf Coast
1
Houston Region (Tex.)
1
Louisiana
1
Mexico
1
New Mexico
1
Red River Valley (Tex.-La.)
1
San Antonio Region
1
Travis County
1
Williamson County
1