Guadalupe-Blanco River Authority : Home

Lake Notices and Flow Information

01.19.21	U.S. Army Corps of Engineers to Close Canyon Lake Floodgates Jan. 20
10.10.19	Canyon Reservoir Advisory
10.01.19	Canyon Reservoir Advisory
08.05.19	Canyon Reservoir Advisory
07.22.19	Canyon Reservoir Advisory

Latest News

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03.23.21	Governor Abbott Appoints Three to GBRA Board of Directors
02.23.21	Boil Water Notice Rescinded - GBRA Calhoun County Rural Water System
02.20.21	Boil Water Notice Rescinded - GBRA Lomas Water Co.-Comal Trace
02.16.21	Boil Water Notice for Community Public Water Systems - GBRA Calhoun County Rural Water System
02.16.21	Boil Water Notice for Community Public Water Systems - GBRA Lomas Water Co.-Comal Trace

Watershed Summary more >>

Current Conditions more >>

J-17 Well	649.2 msl (+0.0)
Guadalupe @ Spring Branch	38 cfs (-1)
Canyon Reservoir	902.64 msl (+0.00)
Guadalupe @ Sattler	54 cfs (+0)
Comal Springs	213 cfs (+0)
San Marcos Springs	101 cfs (+1)
Guadalupe @ Gonzales	563 cfs (-5)
Guadalupe @ Cuero	272 cfs (-242)
Guadalupe @ Victoria	458 cfs (+235)
Coleto Reservoir	93.99 msl (+0.00)
Guadalupe @ Tivoli	467 cfs (+293)
(+/-0.00) - indicates change in 24 hours.

GBRA of Texas

Featured Stories

Annual Report- Fiscal 2020

This annual publication provides comprehensive, user-friendly information on company trends and includes tables and graphs that help readers assess the growth of GBRA.

Guadalupe Valley Lakes

A dedicated website, gvlakes.com has been established to keep the community updated of this evolving situation and provide contact information for key stakeholders.

GBRA outlines challenges and costs of replacing spillgates in the Guadalupe Valley Hydroelectric System.

Guadalupe County Commissioners Court April 16, 2019

Sources of Flow at Victoria

Canyon Release	11.68%
Comal Springs	46.51%
San Marcos Springs	22.05%
Natural Base Flow	19.76%
Percentages reflect sources. Losses and diversions not included.

Charts

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