Pump it wherever I can to get it out, so I can work, and worry about it later. Once the water is gone, the residual contamination becomes a soil contamination problem. Soil contamination problems are usually ignored until they become water contamination problems. In the eyes of the regulators, water is not always water. Unless someone becomes really anal, the flood waters are not going to get addressed. When they are gone, things will fall back into leachates. Anyone who wants to rebuild will be stuck with a phase one and two assessment, or they will be in violation of the environmental laws. Once the soil samples are taken, and they have leachable toxins above the TCLP values, they will have to remediate. then, it goes to the lawyers.