Water testing in Massachusetts
Lowest price: $70, Barnstable County Department of Health and Environment.
Barnstable County Residential Water Testing
$70
- Bacteria
- Nitrate
- Iron
- Copper
- Manganese
- +5 more
Pick up sample containers from the lab or a participating town health department, collect the sample, and deliver it to the lab (same day) or use the free courier service from certain towns.
- Barnstable County Water Quality Laboratory, 3195 Main Street, Barnstable County Complex, Barnstable · 508-375-6605
Checked October 1, 2026. Report a change
Free Private Well Testing Program
Free
- Bacteria
- pH
- Conductance
- Sodium
- Nitrate
- +5 more
Apply online when the program reopens; wells are selected by town based on geographic distribution, reliance on private wells, and available funding.
Private well owners in Barnstable County towns; about 300 wells are selected per town based on geographic distribution, town reliance on private wells, and available funding.
- Barnstable County Water Quality Laboratory, 3195 Main Street, Barnstable County Complex, Barnstable · 508-375-6605
Checked October 1, 2026. Report a change