Water testing in St. Mary's County, MD
Lowest listed local program price: $70, St. Mary's County Health Department (SMCHD).
St. Mary's County Health Department Well Water Sample Collection
$70
- Bacteria
Complete the Water Sample Request form and mail it with a $70 check to the St. Mary's County Health Department, Office of Environmental Health; a staff member will help determine which lab tests are needed and will collect the sample, with an additional lab fee paid directly to the state lab in Baltimore.
Who can use it: Private well owners in St. Mary's County, MD, at the request of the property owner (not limited to new construction)
- St. Mary's County Health Department, Office of Environmental Health, 21580 Peabody Street, P.O. Box 316, Leonardtown · 301-475-4321
Checked October 2, 2026. Official page · Report a change