Texas A&M University

Study: FEMA's Houston flood maps outdated long before Harvey

The Federal Emergency Management Agency's flood plain maps for parts of southeastern Houston were woefully out-of-date long before Hurricane Harvey ravaged the Texas coast, a new study suggests.

Researchers at Rice University and Texas A&M University at Galveston studied one section of southeastern Harris County, which includes Houston, over a decade-long period that did not include Hurricane Harvey but did include other major storms, including Hurricane Ike in 2008 and Tropical Storm Allison in 2001.

According to their research, FEMA's flood plain maps for that area missed about 75 percent of the damages from Ike, Allison, and three other storms.

The maps are...