Our first move removed about a fifth of the water flowing through that area, but we hadn't gone far enough — we still had to open up
the next floodway, the Bonnet Carré, just upstream of New Orleans.
A three - mile - long levee had been built
next to the river; a landfill partly in the river's
floodway (as defined in 1995) had expanded; parts of the floodplain had been built up with construction fill; and development along three small tributaries of the Meramec had destroyed riparian borders, so that they became torrents after a rain but no longer flowed continuously.