Precisely collecting data without distorting results using our extensive knowledge of local geology.
Water well, Geothermal well drilling, & loop installation with ground-loop connection.
Residential water well and pump services and repairs.
Use of high-frequency, resonant energy generated inside the sonic head to advance a core barrel or casing into subsurface formations
Industry leaders since 1991
Combined total experience of 100+ years
Service area extends beyond Maryland and Virginia to include West Virginia, Pennsylvania, Delaware and Washington, D.C.
Connelly & Associates
1513 Tilco Drive
Frederick, MD 21704