The Westchester County Department of Health on Wednesday urged people with private wells that were
flooded to either boil their water before consumption or to use bottled water as a precautionary measure since sewage and
other harmful
contaminants can be washed into private wells by storm waters.
Boellstorff said floodwater might contain substances from upstream, such as manure, sewage from
flooded septic systems or wastewater treatment plants or
other contaminants.