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Water Treatment Companies Serving Prince George's County

4 water filtration and water treatment companies that are based in or say they serve Prince George's County, in alphabetical order.

Len The Plumber Heating & Air

Silver Spring, MD · (410) 694-7747 · Website

A plumbing and HVAC company with Silver Spring and Beltsville offices that has a Washington, DC service area. It installs whole-house filtration and softeners, and for well homes it tests water and installs filtration, softening, disinfection (including UV) and reverse osmosis.

Peak Environmental

Poolesville, MD · (301) 364-9509 · Website

An environmental testing company with Poolesville and Columbia offices that offers home water testing across central Maryland, Northern Virginia and Washington, DC.

Pristine Water Treatment

Stafford, VA · (571) 334-8283 · Website

A Stafford-based water treatment company that lists Washington, DC among its service areas. It offers free in-home and paid lab water testing, softeners, iron, sulfur and acid-neutralizer systems, reverse osmosis, whole-house carbon filtration and UV for wells, and repairs most makes.

Roto-Rooter Plumbing & Water Cleanup (Washington, DC)

Washington, DC · 202-291-2113 · Website

The Washington, DC branch of the Roto-Rooter plumbing network. Its local page says it installs and services salt-based, salt-free and dual-tank water softeners and also links to whole-house filtration and a hard water test.