CURRENT AQUIFER CONDITIONS

TODAY'S READINGS
UVALDE
J-27

852.2
FT. AMSL

Index Well

UVALDE POOL

Bexar
J-17

641
FT. AMSL

Index Well
Comal
Springs

165
CFS

Springflow
San Marcos
Springs

94
CFS

Springflow

SAN ANTONIO POOL

10 DAY AVERAGE

J-27 Well
852 FT. AMSL

J-17 Well
642 FT. AMSL

Comal Springs
172 CFS

San Marcos Springs
95 CFS

FT AMSL = feet above mean sea level

CFS: cubic feet per second

Uvalde Pool is in No Stage: 0% reduction
San Antonio Pool is in Stage 2: 30% reduction
Understanding the levels, springflows, stages and reductions
Aquifer Conditions on the Environmental Data Portal

Last updated: September 12, 2026