Heavy rains, up to two feet in some areas, saturated soil and loosened the slopes.
To counteract the high water table, the station was built on 636 piles which were driven into the saturated soil.
If the same plant lands in water or on saturated soil it faces a different fate.
When the tree falls the root system will likely take a chunk of the saturated soil out of the levee.
Wetlands are dominated by vascular plants that have adapted to saturated soil.
However these plants can only tolerate saturated soil for a certain amount of time without a warm temperature.
In recent days, the temperature had dipped, but not low enough to freeze the saturated soil.
It often grows in saturated soils around seeps near streams.
At about $20-50/ton of saturated soil, air sparging is less costly than aboveground treatment systems.
However, the benzene was found to be in saturated soil and posed no threat to people.