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State & National Links
- 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
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
Right to Know law informational web page
RiverSides Stewardship Alliance
Rural Community Assistance Program
- 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,
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
Other State Programs
- Kansas State University
fact sheet on private well maintenance and protection, including a maintenance checklist.
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.
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).