This is a link to the Pennsylvania Department of Environmental Protection that talks about MTBE.

This is a link to the U.S. Environmental Protection Agency that has information about MTBE.

Current Drinking Water Standards from the U.S. Environmental Protection Agency.

All you ever wanted to know about bacteria.

Welcome to the Center for Environmental Quality At Wilkes University Online Information Guide to Topics Related Water Quality, Drinking Water, Groundwater and Surface Water, Common Water Quality Problems and Water Analysis and Testing