Canyon Release and Flow Notices

As per USACE,

  • Thursday, May 26, the flow from Canyon Dam will be at 1100 cubic feet per second (cfs).
  • Friday, May 27, at 4 a.m., the flow will be reduced from 1100 cfs to 400 cfs. The reduction in flow to 400 cfs will be completed by noon on Friday.
  • Monday, May 30, at approximately 7 p.m., the flow will be increased back to 1100 cfs.
Watershed Summary + more
Current Conditions + more
J-17 Well 679.2 msl (+0.7)
Guadalupe @ Spring Branch 7310 cfs (-2410)
Canyon Reservoir 916.05 msl (+2.23)
Guadalupe @ Sattler 400 cfs (-630)
Comal Springs 367 cfs (-477)
San Marcos Springs 342 cfs (+20)
Guadalupe @ Gonzales 5110 cfs (-2220)
Guadalupe @ Victoria 7080 cfs (-1370)
Coleto Reservoir 98.49 msl (+0.25)
Guadalupe @ Tivoli 2530 cfs (-60)
(+/-0.00) - indicates change in 24 hours.
Sources of Flow at Victoria
Canyon Release 5.65%
Comal Springs 5.18%
San Marcos Springs 4.83%
Natural Base Flow 84.34%
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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