Canyon Release and Flow Notices

As per USACE,

  • Monday, May 30, beginning at 7 p.m., incremental flood release increases will be made to achieve a flow of 2,500 cfs by midnight.
  • Tuesday, May 31, around 4 a.m., the USACE will continue to increase flood releases from 2,500 cfs to approximately 5,000 cfs, which will be maintained until the reservoir level drops to 911 msl.
Watershed Summary + more
Current Conditions + more
J-17 Well 679.9 msl (+0.7)
Guadalupe @ Spring Branch 6670 cfs (-3050)
Canyon Reservoir 917.16 msl (+3.34)
Guadalupe @ Sattler 4370 cfs (+3340)
Comal Springs 367 cfs (-477)
San Marcos Springs 318 cfs (-4)
Guadalupe @ Gonzales 4310 cfs (-3020)
Guadalupe @ Victoria 9180 cfs (+730)
Coleto Reservoir 98.34 msl (+0.10)
Guadalupe @ Tivoli 2560 cfs (-30)
(+/-0.00) - indicates change in 24 hours.
Sources of Flow at Victoria
Canyon Release 47.60%
Comal Springs 4.00%
San Marcos Springs 3.46%
Natural Base Flow 44.93%
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 Guadalupe-Blanco River Authority

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