Water Filtration Directory: MarylandAn independent local directory

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Water Treatment Companies Serving Potomac

3 water filtration and water treatment companies that are based in or say they serve Potomac, in alphabetical order.

Douglas & Son Services

Boyds, MD · (301) 467-1440 · Website

Boyds-based service company that installs water softeners and water filtration systems for homes in upper Montgomery County.

HydroWells

Poolesville, MD · (301) 393-7090 · Website

Well drilling and service company based in Poolesville and Dickerson that installs and repairs softeners, sediment filtration, iron and manganese removal, UV and acid neutralizers, and arranges certified lab water testing.

Mallick Plumbing & Heating, Inc.

Gaithersburg, MD · (301) 804-6759 · Website

Plumbing and heating company with offices in Gaithersburg, Frederick and Woodbine that installs whole-home filtration, softeners and under-sink reverse osmosis, with on-site or lab water testing.