In the U.S. alone, about 5,000,000 people are diagnosed annually with ulcers, 1,000,000 are hospitalized, 40,000 undergo surgery, and 6,500 die from ulcer-related complications (Poms, 2001: Levin, 1998).

The State of Wisconsin has recently finalized administrative code NR 151 which will, in part, define performance standards for infiltration of stormwater from new developments.

Recent reports on the detection of pharmaceuticals in water bodies and waste streams in Europe and the United States have raised some environmental concerns.

The salinity and major ion content of the water contained within the Cambro-Ordovician aquifer of eastern Wisconsin was investigated.

The leakage of NO3 and pesticide residues from agricultural landscapes to groundwater has important implications for drinking water quality and aquatic ecosystem health.

Arsenic levels in well water used for drinking is a major problem for many homeowners in Wisconsin, particularly for those living in the northeast part of the state where groundwater often intersects arsenic laden mineral deposits.