Watershed Summary + more
Current Conditions + more
J-17 Well 645.4 msl (-0.8)
Guadalupe @ Spring Branch 54 cfs (+1)
Canyon Reservoir 906.17 msl (-0.02)
Guadalupe @ Sattler 97 cfs (+0)
Comal Springs 192 cfs (-6)
San Marcos Springs 213 cfs (+0)
Guadalupe @ Gonzales 669 cfs (-174)
Guadalupe @ Victoria 490 cfs (-27)
Coleto Reservoir 96.45 msl (-0.02)
Guadalupe @ Tivoli 790 cfs (-39)
(+/-0.00) - indicates change in 24 hours.
Sources of Flow at Victoria
Canyon Release 19.32%
Comal Springs 38.25%
San Marcos Springs 42.43%
Natural Base Flow 0.00%
Percentages reflect sources. Losses and diversions not included.
Last 28 days at:

Preservation Matters

The Guadalupe-Blanco River Trust was founded in 2001 to conserve land in the Guadalupe River Watershed.

San Antonio Bay Foundation

Founded in 2008 to protect and preserve the Bay and Estuary at the end of the Guadalupe River Basin.

Canyon Lake Gorge

Within days following the Flood of 2002, the floodwaters carved a gorge into the landscape below the Canyon Lake Spillway.

Guadalupe River Foundation

Formed to establish a system for funding construction, operation and maintenance of environmental learning centers and programs.

©1998-2015 Guadalupe-Blanco River Authority

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