Levees at Columbia Lakes in Brazoria County have been breached, according to the official Brazoria County website.
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FLASH FLOOD WARNING western Brazoria county until 5:45 PM. Brazos levee at Columbia Lakes has breached. All residents urged to evacuate now pic.twitter.com/7MZRyL3M3x
— FOX26Houston (@Fox26Houston) August 29, 2017
"Get out now," the alert reads.
pic.twitter.com/sUTyXBzer9
— Brazoria County (@BrazoriaCounty) August 29, 2017
Portions of Brazoria County, due south of Houston, had been under a mandatory evacuation notice since Sunday.