Aftermath of Harvey

David Gonzalez comforts his wife Kathy after being rescued from their home in Orange, Texas. REUTERS/Jonathan Bachman

Residents wade with their belongings through floodwaters in Houston. REUTERS/Adrees Latif

Residents are evacuated through floodwaters in Houston. REUTERS/Adrees Latif

Members of the Nguyen family return to their home for the first time since Harvey floodwaters arrived in Houston. REUTERS/Rick Wilking

A woman is rescued from by a U.S. Navy Helicopter Sea Combat Squadron 7 crew in Beaumont, Texas. U.S. Navy/Petty Officer 1st Class Ernest Scott/via REUTERS

Jonathan Evans floats his possessions on a paddle board with Stacey Brown (C) and Amanda Smith pushing floating tubs of theirs in Houston. REUTERS/Rick Wilking

An evacuee is rescued by a Coast Guard helicopter in Beaumont, Texas. U.S. Coast Guard/Petty Officer 3rd Class Brandon Giles/via REUTERS

A Houston Police vehicle drives along a flooded street. REUTERS/Carlo Allegri

Cattle graze around floodwaters near Sandy Point, Texas. REUTERS/Adrees Latif

A police officer wades through the Hurricane Harvey floodwaters in Alvin, Texas. REUTERS/Rick Wilking

A man is evacuated from the Hurricane Harvey floodwaters in Houston, Texas. REUTERS/Rick Wilking

Residents use boats to evacuate floodwaters along Tidwell Road east Houston. REUTERS/Adrees Latif

Ethan holds his 2-year-old daughter Zella as they walk through floodwaters in Iowa, Calcasieu Parish, Louisiana. REUTERS/Jonathan Bachman

An evacuee holding two dogs reacts after his rescue by Texas National Guardsmen in Cypress Creek, Houston. U.S. Army National Guard/Capt. Martha Nigrelle/via REUTERS

A military helicopter and personnel rescue a stranded resident in east Houston. REUTERS/Adrees Latif

A tattered U.S. flag damaged in Hurricane Harvey flies in Conroe, Texas. REUTERS/Carlo Allegri

A woman holds her dog as she arrives to high ground after evacuating her home along Tidwell Road in east Houston. REUTERS/Adrees Latif

Samaritans help push a boat with evacuees to high ground along Tidwell Road in east Houston. REUTERS/Adrees Latif

Residents wade through floodwaters in Beaumont Place, Houston. REUTERS/Jonathan Bachman

Laquanta Edwards holds her one year old daughter Ladaja and nine-month-old son LaDarius after they arrived to high ground by boat along Tidwell Road in east Houston. REUTERS/Adrees Latif

Interstate highway 45 submerged in Houston. REUTERS/Richard Carson

Jesus Rodriguez rescues Gloria Garcia in Pearland, in the outskirts of Houston. REUTERS/Adrees Latif

People are rescued on an air boat in Dickinson, Texas. REUTERS/Rick Wilking

A rescue helicopter hovers in the background as an elderly woman and her poodle use an air mattress to float above flood waters while waiting to be rescued from Scarsdale Boulevard in Houston. REUTERS/Adrees Latif

Evacuees are airlifted in a U.S. Coast Guard helicopter after in Houston. U.S. Coast Guard/Petty Officer 3rd Class Johanna Strickland/via REUTERS

A stranded motorist escapes floodwaters on Interstate 225 in Houston. REUTERS/Nick Oxford

Charlotte Mills reads her Bible in the warehouse at Gallery Furniture where she has been staying after evacuating her flooded home in Houston. REUTERS/Nick Oxford

Andrew Mitchell helps his neighbor Beverly Johnson onto a rescue boat in Beaumont Place, Houston. REUTERS/Jonathan Bachman

A family carries their belongings and a dog while evacuating along Tidwell Road in east Houston. REUTERS/Adrees Latif

A cow swims trying to get out of the floodwaters near East Columbia, Texas. REUTERS/Rick Wilking

A man wades through floodwaters while helping evacuate a boy in east Houston. REUTERS/Adrees Latif

Residents of La Vita Bella assisted living facility are seen in waist-deep flooding in Dickinson, Texas. Social Media/Courtesy of Trudy Lampson/via REUTERS

A man walks through floodwaters and onto the main road after surveying his property in Rockport, Texas. REUTERS/Adrees Latif

Lisa Rehr holds her four-year old son Maximus, after they lost their home, as they await to be evacuated with their belongings from Rockport, Texas. REUTERS/Adrees Latif

Barbara Koster stands on her front door as she surveys her property in Rockport, Texas. REUTERS/Adrees Latif

A wall of the Fairfield Inn partially missing in Rockport, Texas. REUTERS/Rick Wilking

Dead cows killed in Hurricane Harvey lie on highway 35 near Fulton, Texas. REUTERS/Rick Wilking

Boats are seen destroyed in a storage facility in Rockport, Texas. REUTERS/Adrees Latif

A military helicopter flies over a destroyed house in Rockport, Texas. REUTERS/Rick Wilking

A car surrounded by floodwaters from Hurricane Harvey in Point Comfort, Texas. REUTERS/Rick Wilking

A resident picks up debris from the road the morning after Hurricane Harvey hit Rockport, Texas, U.S. August 26, 2017. REUTERS/Adrees Latif TPX IMAGES OF THE DAY

Craig "Cajun" Uggen, 57, nearly floods his truck as Hurricane Harvey comes ashore in Corpus Christi, Texas, U.S. August 25, 2017. Minutes later, high winds blew off the camper carrying all of his belongings. REUTERS/Brian Thevenot TPX IMAGES OF...more

Debris flies past as Stewart Adams, of San Marcos, Texas, balances himself from a gust of wind from Hurricane Harvey along the boardwalk in Corpus Christi, Texas, U.S. August 25, 2017. REUTERS/Adrees Latif TPX IMAGES OF THE DAY

Residents wade through flood waters from Tropical Storm Harvey while evacuating their neighborhood in east Houston, Texas, U.S. August 28, 2017. REUTERS/Adrees Latif