The USGS Web site Water Resources of the United States can direct you to information about your local water body. Under the heading “Local Information” click on “Local Websites & USGS Contacts in Your State!” There you can select your state on a map to find local information. Below “Local Information” on this site is… Read more »
The Federal Emergency Management Agency (FEMA) lists several ways to purify water for human consumption on their Preparedness Web page. Also, the EPA fact sheet Emergency disinfection of drinking water is available in English and Spanish.
The EPA Office of Ground Water and Drinking Water Web page Drinking water and health: What you need to know has a link to “What are the health effects of contaminants in drinking water?” This link connects you to fact sheets for many contaminants.
You can view a national map of hardness in surface water. Hardness data (reflecting mostly calcium, plus a little magnesium) for individual drinking-water suppliers is on the following pages: EPA Local Drinking Water Information It is important to note that the U.S. Environmental Protection Agency has not set a legal limit or standard for hardness… Read more »
The USGS Water Science for Schools Web site has a link to “Water Science Glossary of Terms”. This page offers links to additional glossaries. The U.S. Environmental Protection Agency also has a Drinking Water Glossary.