Naturally occurring arsenic can make groundwater unsafe for drinking. Before going to the expense of drilling a well and sampling the water for arsenic, it would benefit public health to be able to predict the level of arsenic in groundwater in a certain area. A special research project with the U.S.
Minnesota Lakes are vulnerable to septic-system discharge of estrogenic and pharmaceutical compounds. Proposed work assesses septic and watershed influences on levels of contamination and biological responses.