Test every year for
- Total coliform bacteria
- Nitrates
- Total dissolved solids
- pH
EPA suggests testing more often if small children or elderly adults live in the home, or if someone is pregnant or nursing.
Test right away if
- There are known groundwater problems in your area
- Flooding, construction, or new industry changed conditions near the well
- You replaced or repaired part of the well system
- The water's taste, color, or smell changes
Getting help in Illinois
IDPH says most local health departments can help test for bacteria and nitrate, commercial labs can test for other contaminants, and IDPH can help interpret results and recommend next steps for free.
Well treatment should always follow a lab report. We quote well systems only after reviewing a current test. How our well-water process works.
Quick questions
How often should I test my well?
EPA recommends testing every year for total coliform bacteria, nitrates, total dissolved solids, and pH, and more often if someone in the home is pregnant, nursing, very young, or elderly.
Who can help test my well in Illinois?
IDPH says most local health departments can help test for bacteria and nitrate, and IDPH can help interpret results for free.
Sources
- Protect Your Home's Water (private wells) — U.S. EPA
- Private Well Testing — Illinois Department of Public Health
This guide is general information, not medical or legal advice. Palos Heights Water Filtration is an independent business and is not affiliated with the City of Palos Heights. Product certifications are model-specific and can change; check the current listing before you buy.
