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NICHOLSON WATER DEFENSE, LLCLicensed

Licensed water well contractor based in Dover, Strafford County, NH

Company	Nicholson Water Defense, LLC
License number	3491
License type	Pump Installer
License status	Active, NH DES Well Contractor roster
Based in	Dover, Strafford County, New Hampshire 03820

"Based in" is the city and county of the address on the business's license record. That can be a mailing address; it doesn't tell you where the business works.

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What this license covers

Pump installation: licensed to install, repair, and replace well pumps, pressure tanks, and the piping between the well and the building.

How to verify this license

We publish the license details exactly as they appear in the official licensing records of the agency that issued the license; we do not vouch for the business itself. Before hiring, look up license #3491 directly with the agency that issued it, confirm it is still active, and ask for a current certificate of insurance.

Source: NH DES - Well Contractors & Pump Installers, last checked 2026-08-16. Verify at the official source.

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