Summary of Watershed Conditions in the Guadalupe River Basin
Thursday, April 15, 2021

This page is updated once a day with data obtained from USGS.

streamflow
  Flow (cfs) % of Daily Median
A. Guadalupe River @ Comfort 51 41%
B. Canyon Reservoir
Inflow 35 20%
Release 54 25%
Full Res. Elev. - msl (Conservation pool) 909  
Reservoir Elev. Today - msl 902.72  
Capacity (Conservation pool) 87%  
     
C. Blanco River @ Wimberley 16 21%
D. Comal Springs 216 68%
E. San Marcos Springs 101 57%
F. Guadalupe River @ Gonzales 398 39%
G. Guadalupe River @ Victoria 459 39%
H. San Antonio River @ Goliad 221 60%
I. Guadalupe River @ Tivoli 441 25%
     
Bay & Estuary Inflow 332  

Diagrams reflect sources. Losses and diversions not included.

Full Reservoir Elevation Daily Elevation
Elevation 909 902.72
Historical Current
Spring Branch (Inflow) 175 35
Sattler (Release) 212 54
Historical Current
Comal 318 216
San Marcos 176 101
Canyon Release Comal Springs Natural Baseflow
Source Percentages 22.3 89.3 -11.6
Canyon Release Comal Springs San Marcos Springs Natural Baseflow
Source Percentages 11.8 47.1 22.0 19.1
© 1998 Guadalupe-Blanco River Authority