
FILE - Work continues at San Jacinto River Waste Pits, a Superfund site, near the Interstate 10 bridge over the river in Channelview, Texas on Sept. 13, 2017. (AP Photo/David J. Phillip, File)

FILE - Work continues at San Jacinto River Waste Pits, a Superfund site, near the Interstate 10 bridge over the river in Channelview, Texas on Sept. 13, 2017. (AP Photo/David J. Phillip, File)