Test your well water
Understand when to test, what a useful panel can include and when to use a certified laboratory.
Testing essentials →Independent private-well guidance
Know your water. Choose treatment with confidence.
Clear, testing-first guidance for US well owners, from common contaminants and treatment methods to laboratories, local rules and qualified help.
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Start with the evidence
A private well is a household system, not a one-size-fits-all product problem.
Water chemistry, flow demand, well construction and local geology all affect what should happen next. Our content starts with testing and makes uncertainty visible.
Identify the problem
Explore iron staining, sulfur odor, hardness, sediment, bacteria, arsenic, nitrate and other concerns.
Explore water problems →Compare treatment methods
Learn where filtration, softening, oxidation, UV and reverse osmosis fit, and where they do not.
See treatment methods →National knowledge, local context
Built for every level from aquifer to address.
Our planned local resources will connect official state guidance, county context, certified laboratories and treatment professionals without pretending regional data describes an individual well.
USA private-well resource network
State guidance • County context • Laboratories • Contractors
Health and safety note: Appearance, taste and odor cannot establish whether water is safe. Regional reports also cannot determine conditions in a particular well. Appropriate testing is the responsible starting point.