Drinking Water Quality

EXCELLENT: University of Georgia Extension Service: Water Quality and Common Treatments for Private Drinking Water Systems (30 pg. pdf).  Drinking water problems and solutions presented for the layman.

EPA Groundwater and Drinking Water – A broad-based portal of government resources.

EPA Drinking Water Contaminants – Standards and Regulations

Maine Drinking Water Program – Here to help Mainers understand their water. Useful tips about local concerns, with no commercial bias. Talk to a real person!
Monday-Friday 8AM – 5PM
Telephone: 207-287-2070

EPA: Human Health and Contaminated Water – Simple overview of typical drinking water issues in the US.

EXCELLENT: U.S. Geological Survey (USGS) The USGS Water Science School (website) – All about groundwater and your well, surface water, water science, common contaminants, etc.

U.S. Geological Survey (USGS) Groundwater and the Rural Homeowner (website/pdf) – Slightly more scientific approach to thinking about your well and the greater hydrologic landscape.  Nice pictures.

Specific Contaminants

National Toxic Substances Portal (US Centers for Disease Control and Prevention) – An encyclopedia of toxic substances with detailed information from a medical perspective.

EPA Chemistry Dashboard – A deep dive into 765,000 chemicals.  Technical.  Excellent research portal.

Well Siting and Care

State of Maine Information for well water quality:

Maine Geological Survey – Information for Homeowners (“Understanding Ground Water and Wells”):

National Ground Water Association – Well Owner.org, the consumer website of the NGWA – everything wells

Siting a Well – Sources of Potential Contamination (ME DWP,  1 page pdf)
ME DWP Well-siting PWS Potential Sources of Contamination

How to Shock Chlorinate Your Well (webpage on this site)