Well Pump Service Areas
Private wells around San Antonio are concentrated in the Hill Country counties north and west of the city and the Carrizo-Wilcox counties to the south. Conditions differ sharply between them — Trinity limestone wells run deep and hard, while the southern sands are shallower with iron and sulfur instead of scale.
Boerne
Kendall County
Middle and Lower Trinity
400–800 ft typical depth
New Braunfels
Comal County
Edwards and Trinity
300–700 ft typical depth
Bulverde
Comal County
Middle Trinity
450–750 ft typical depth
Bandera
Bandera County
Middle and Lower Trinity
400–900 ft typical depth
Helotes
Bexar County
Trinity, with Edwards near the recharge zone
350–700 ft typical depth
Castroville
Medina County
Edwards and Leona Gravel
200–500 ft typical depth
La Vernia
Wilson County
Carrizo-Wilcox
300–600 ft typical depth
Floresville
Wilson County
Carrizo-Wilcox
350–650 ft typical depth
Canyon Lake
Comal County
Middle and Lower Trinity
500–900 ft typical depth
Fair Oaks Ranch
Bexar and Kendall Counties
Middle Trinity
450–800 ft typical depth
Well pump trouble in San Antonio?
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