- IDPH Environmental Health publications relating to private water and for information regarding non-community public water supply, visit their online program handbook.
- Agency for Toxic Substances and Disease Registry, ToxFAQs provides information for each chemical which is listed alphabetically.
- American Ground Water Trust
- American Water Works Association
- Centers for Disease Control and Prevention’s (CDC’s) “ Contaminants in Well Water” web page lists the possible contaminants found in well water along with their health effects.
- Clean Water Action
- DrinkWell™ Well Water Testing – offers information on contaminants that your well water may be at risk for and how to test for them.
- Federal Safe Drinking Water Act Standards includes potential health effects from exposure to VOCs and other contaminants
- The Groundwater Foundation
- Illinois Association of Groundwater Professionals offers an online owner’s guide that includes checklists, tips and information on well records. Homeowners can also call (800) 990-2209 for assistance.
- Illinois EPA’s GIS Interactive Source Water Assessment Program (SWAP) ArcIMS Mapping Tool
- Illinois Groundwater Protection Class I Standards: The Parts are listed in numerical order; scroll down to 620.
- Illinois State Geological Survey provides Digital water well records and Hydrogeology
- Links relating to federal agencies, drinking water protection organizations, and environmental and public health organizations.
- McHenry County Health Department offers an online brochure “ Everything You Wanted to Know About Your Private Water Well System”
- National Drinking Water Clearinghouse
- National Ground Water Association
- IEPA's Right to Know law informational web page
- RiverSides Stewardship Alliance
- Rural Community Assistance Program
- PrivateWellClass.org
- University of Illinois at Urbana-Champaign, Water Quality web page
- U.S. EPA’s online publication titled, “ Drinking Water From Household Wells.” You can also download a pdf version or visit the Private Drinking Water Wells web site.
- U.S. EPA’s “ Water On Tap: What You Need To Know”
- U.S. EPA’s web site, “ What to Do After the Flood”
- U.S. EPA’s Drinking Water Contaminants web page includines information on microbes, radionuclides, inorganics, VOCs and SOCs.
- U.S. Geological Survey, Water Resources
- U.S. Water News Online
- Water Systems Council web page, Wellcare® Information Sheets provides numerous fact sheets on basic well information, components, maintenance, testing and treatment, and potential contaminants.
- Water Systems Council
- WaterWiser
- Wellowner.org
- Kansas State University fact sheet on private well maintenance and protection, including a maintenance checklist.
- Maine’s Water and Environmental Testing Services
- Minnesota Department of Health’s web page, “ VOCs: Volatile Organic Chemicals in Private Drinking Water Wells”
- New Hampshire Department of Environmental Services, Private Well Testing
- Oregon State University Well Water Program
- Pennsylvania Department of Environmental Protection, Groundwater Protection web page
- Santa Clara Valley Water District publication – " A Guide for the Private Well Owner", includes groundwater diagrams, well maintenance and protection, water sampling and treatment.
- Tennessee Home*A*Syst fact sheet
- University of Maryland Extension site includes anatomy of a well and schematic.
- University of Minnesota Extension Service web page, “ Groundwater Contamination,” contains a wide variety of information:
- University of Rhode Island Home*A*Syst’s web page contains a wealth of information regarding private sources for drinking water.
- The University of Wisconsin Madison’s web site, “ Help Yourself to a Healthy Home” offers a checklist of action steps for a safe private water supply.
- Wisconsin Department of Natural Resources, Wells web page
- Wisconsin Department of Natural Resources web site, “ When Should I Test My Well Water?” Also includes information on Volatile Organic Chemicals in Drinking Water (VOCs).