Well water testing in your county
If your home is on a private well, nobody tests the water for you. We list who tests it in your county, what a bacteria test costs, how to get a sample bottle, and when and where to drop it off, taken from each health department's and lab's own pages.
Across 60 counties, a bacteria test costs from $12 to $250, typically $40. Compare every county
Pick your county
Michigan15 counties · from $12
North Carolina19 counties · from $25
- Alamance County$65
- Brunswick County$50
- Buncombe County$50
- Cabarrus County$75
- Chatham County$70
- Davidson County$70
- Forsyth County$37
- Franklin County$40
- Gaston County$80
- Guilford County$50
- Harnett CountyCall
- Iredell County$200
- Johnston County$29
- Nash County$70
- Randolph County$32.25
- Rowan CountyCall
- Union County$70
- Wake County$25
- Wayne County$75
Ohio18 counties · from $30
- Ashland County$100
- Clermont County$250
- Delaware County$116.65
- Fairfield County$90
- Geauga County$90
- Greene CountyCall
- Hamilton County$95
- Knox County$46
- Licking County$30
- Logan County$70
- Lorain County$150
- Medina CountyCall
- Montgomery County$131
- Portage County$105
- Stark County$80
- Summit County$30
- Warren County$88.45
- Wayne County$45
Pennsylvania5 counties · from $25
What to expect
- 48 of these 64 counties test wells through their own health department. The rest point you to a state or university lab.
- In 29 counties, staff come out to take the sample, often for a trip fee.
- Bacteria samples usually have to reach the lab within a day or two, so drop-off days matter. Each county page shows them.
- 11 counties list a free or lower-cost testing program.
Now covering Michigan, North Carolina, Ohio, Pennsylvania and Wisconsin. More counties are being added.