San Marcos Mercury | Local News from San Marcos and Hays County, Texas

September 2nd, 2015
Video: Blanco River volume, velocity during Memorial Day weekend flood rivaled Mississippi River at St. Louis


The Memorial Day weekend flood was so overwhelmingly calamitous in its size and scope that The Woods multi-family development definitively did not cause or contribute to devastation in the nearby Blanco Gardens neighborhood, a hydrologist with three decades of experience in flood analysis has concluded.

Even before it reached San Marcos, the Blanco River was flowing at 180,000 cubic feet per second — the average volume and velocity of the Mississippi River at St. Louis, Halff Associates vice president Michael Moya told the San Marcos City Council on Tuesday.

Three council members were insistently skeptical and a spirited discussion flow at the council dais for more than an hour.

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