IMPORTANT! Effective August 1, 2025, an Intent to Drill form is required before drilling any water well in GCGCD (Rule 6.2)
GCGCD Carrizo Saturated Sand Thickness Model
June 1, 2022
The Guadalupe County Groundwater Conservation District uses a saturated sand thickness model to allocate water rights for property over the Carrizo aquifer.
Wilcox aquifer water rights are allocated at up to 1/2 (one-half) an acre foot per surface acre.