Test private well water
Use a certified laboratory for annual bacteria, nitrate, dissolved-solids and pH testing; ask your health department about local contaminants.
Why it matters
Testing can identify contamination that is not visible.
Steps
- Use a certified laboratory for annual bacteria, nitrate, dissolved-solids and pH testing; ask your health department about local contaminants.
- Follow the laboratory’s collection instructions.
- Test sooner after flooding, repairs or changes in taste, odor or appearance; seek local guidance on safe water use.
How often should I test private well water?
Yearly is the planning default. Follow your equipment instructions and act sooner on a fault.