Add Yahoo as a preferred source to see more of our stories on Google. The new draft map expands the 100-year floodplain by 43% (Caroline Ghisolfi/Houston Chronicle) Harris County's 100-year floodplain ...

The term "100-year flood" has long been misunderstood by the public. Rather than describing an event that happens once per century, it refers to a flood with a 1 percent chance of occurring in any ...

Harris County's 100-year floodplain could grow by more than 40% under draft maps newly released by the Federal Emergency Management Agency. After a nearly four-year delay, FEMA posted last week an ...