Tobin KnowltonLicensed

License details

"Based in" is the city and county of the address on the business's license record.

What this license covers

• Drilling / construction: licensed to bore, case, complete, and plug water wells.
• Pump installation: licensed to install, repair, and replace well pumps, pressure tanks, and the piping between the well and the building.
• Geothermal loops: also licensed to bore the open- or closed-loop wells that serve a ground-source heat pump.

How to verify this license

We publish the license details exactly as they appear in the public licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #WD02132 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: Maine DHHS - Well Driller & Pump Installer License Holders, last checked 2026-08-17. Look it up at the issuing agency.