Useful Links:
 
Information on drinking water from the PA Department of Environmental Protection.
 
Detailed information provided by the EPA (Environmental Protection Agency) on drinking water, and specific water contaminants.
 
Centers for Disease Control and Prevention's site on drinking water, with an emphasis on keeping water safe and free of contaminants.
 
Provides infromation to consumers on drinking water, and they are involved in testing consumer products for contamination.