Just an idea of how the levels are right now due to all the rain:
Tubing on the Guadalupe River !!!
** Important Notice **
Due to heavy recent rainfall, the U.S. Army
Corps of Engineers has announced that they
will be Closing the Guadalupe River to Tubing.
On Monday morning, July 2nd, the river flow
will be increased up to 4,000 cfs through Friday,
July 6th, at which time the levels will be
re-evaluated and hopefully go back to
600cfs for the weekend of July 7th & 8th.
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Website for all Texas lakes/rivers
http://waterdata.usgs.gov/tx/nwis/current?type=lake