Council hears update on Guadalupe River flood‑warning system as siren tests begin

City and UGRA staff told council that work is underway to implement the Guadalupe River flood‑warning system called for under Senate Bill 3. Holmes said six sirens are already in place in outlying areas and more tests will be visible to residents as installers complete siting and sound testing.

"At this point, there have been 6 sirens that have gone up... This is all part of, Senate Bill 3," staff said, noting a $14,700,000 middle‑mile grant and a $1,250,000 state appropriation supporting the project. Holmes and UGRA staff described a public dashboard being developed to disseminate velocity/height trigger information and said the dashboard should be available to the public by the end of the month. Council members pressed on how sirens will be triggered and how many locations ultimately may be needed based on mapping; staff cautioned that the state mapping could imply many sirens across the basin, though not all would be within city limits.

UGRA representatives committed to returning with a more robust progress report and encouraged public patience as siting, engineering and sound tests continue. The update was informational; no council action or funding vote was required at the meeting.