The new floodplain ordinance, released Tuesday evening, would require buildings to be built above the 500-year flood level. Current rules only require buildings withstand a 100-year flood.
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Houston saw three 500-year floods in three years between 2015 and 2017.
How high buildings should stand above the water is still blank, however. That will ultimately depend on city input and city council members, who are seeking input from the public on the issue. You can submit comments through an online survey on the city's website.
"I hope all Houstonians will express the will of the people on the need for the City to move ahead swiftly on the flood ordinance changes I have proposed," Mayor Sylvester Turner said in a written statement. "When adopted by City Council, the revised ordinances will make sure that new dwellings are built high enough to protect lives and property in the 'post-Harvey era' where the next epic rainfall may be right around the corner."
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The changes will affect 85,739 pieces of property that were not previously in a regulated area, according to city data.
Building to that height is expensive however. Some Harvey victims expressed concerns that they would be forced to spend hundreds of thousands of dollars to rebuild their homes to the new standards. In this case, a city spokesperson says those homes already in the rebuilding process may not be affected.