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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02.23.21	Boil Water Notice Rescinded - GBRA Calhoun County Rural Water System
02.20.21	Boil Water Notice Rescinded - GBRA Lomas Water Co.-Comal Trace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
01.07.21	GBRA Names Chad Norris Deputy Executive Manager of Environmental Science

Watershed Summary more >>

Current Conditions more >>

J-17 Well	659.8 msl (+0.7)
Guadalupe @ Spring Branch	65 cfs (-1)
Canyon Reservoir	903.33 msl (+0.01)
Guadalupe @ Sattler	71 cfs (-9)
Comal Springs	256 cfs (+0)
San Marcos Springs	113 cfs (+1)
Guadalupe @ Gonzales	590 cfs (+28)
Guadalupe @ Cuero	583 cfs (+193)
Guadalupe @ Victoria	324 cfs (-210)
Coleto Reservoir	93.72 msl (+0.02)
Guadalupe @ Tivoli	985 cfs (-12)
(+/-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	16.10%
Comal Springs	58.21%
San Marcos Springs	25.69%
Natural Base Flow	0.00%
Percentages reflect sources. Losses and diversions not included.

Charts

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