County pages
We're adding counties one at a time. Each page covers who to contact locally, what the state requires, and where to find a certified lab, with a source for every fact.
Maine
- Well water testing in Cumberland County, MEArsenic, uranium and radon testing for Cumberland County private wells, Maine CDC's free help line and testing schedule, the state lab's test kits, and accredited labs, with sources.
- Well water testing in Penobscot County, MEArsenic, uranium and radon testing for Penobscot County private wells, Maine CDC's free help line and testing schedule, the state lab's test kits, and accredited labs, with sources.
Michigan
- Well water testing in Genesee County, MIGenesee County Health Department well bacteria testing, other labs the county lists, Michigan's recommended testing schedule, and arsenic in eastern Michigan, with sources.
- Well water testing in Livingston County, MILivingston County Health Department well testing rules, Michigan's recommended testing schedule, arsenic in southeast Michigan, certified labs the county lists, and how to disinfect a well, with sources.
- Well water testing in Oakland County, MIWhere Oakland County well owners can get water tested, Michigan's recommended testing schedule, arsenic in southeast Michigan, and what EGLE recommends if arsenic is high, with sources.
New Hampshire
- Well water testing in Hillsborough County, NHArsenic in Hillsborough County private wells, New Hampshire's testing guidance, accredited labs near Manchester and Nashua, town testing rules, and who to contact, with sources.
- Well water testing in Rockingham County, NHArsenic, radon and other results from Rockingham County private wells, New Hampshire's testing guidance, accredited labs near the Seacoast, and who to contact, with sources.
New Jersey
- Well water testing in Hunterdon County, NJHunterdon County Health Department contact, New Jersey Private Well Testing Act requirements (including uranium for Hunterdon), certified-lab lookup, and cost estimates, with sources.
North Carolina
- Well water testing in Union County, NCArsenic in Union County wells (Carolina Slate Belt), Union County Environmental Health's well testing and permits, the county's recommended testing schedule, and state data, with sources.
Pennsylvania
- Well water testing in Berks County, PAWhat Penn State lab data show for Berks County private wells, Pennsylvania's testing advice, where to buy bacteria test kits and find accredited labs, with sources.
- Well water testing in Chester County, PAWhat Penn State lab data show for Chester County private wells, Pennsylvania's testing advice, where to buy bacteria test kits and find accredited labs, with sources.
- Well water testing in Lancaster County, PAWhat Penn State lab data show for Lancaster County private wells, Pennsylvania's testing advice, where to buy bacteria test kits and find accredited labs, with sources.
- Well water testing in York County, PAWhat Penn State lab data show for York County private wells, Pennsylvania's testing advice, where to buy bacteria test kits and find accredited labs, with sources.
Don't see your county yet? Start with How to read your well water test results, and ask your county or local health department which tests they recommend where you live.