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
Clear, testing-first guidance for US well owners, from common contaminants and treatment methods to laboratories, local rules and qualified help.
Start with the evidence
Water chemistry, flow demand, well construction and local geology all affect what should happen next. Our content starts with testing and makes uncertainty visible.
Understand when to test, what a useful panel can include and when to use a certified laboratory.
Testing essentials →Explore iron staining, sulfur odor, hardness, sediment, bacteria, arsenic, nitrate and other concerns.
Explore water problems →Learn where filtration, softening, oxidation, UV and reverse osmosis fit, and where they do not.
See treatment methods →National knowledge, local context
Our planned local resources will connect official state guidance, county context, certified laboratories and treatment professionals without pretending regional data describes an individual well.
State guidance • County context • Laboratories • Contractors