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Water Treatment Companies Serving Montgomery County
8 water filtration and water treatment companies that are based in or say they serve Montgomery County, in alphabetical order.
Atlantic Blue Water Services
Water treatment, well and plumbing company with offices in Westminster, Frederick, Gaithersburg, Severna Park and Forest Hill. It installs softeners, whole-house filters, reverse osmosis and UV systems, services wells, and offers water testing for homes and businesses.
HydroWells
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.
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.
Master Plumbing
Gaithersburg plumbing contractor that installs water treatment systems including Aquasana filters and services existing systems of other brands.
National Water Service
Woodbine company providing well pump service, plumbing and water treatment, including softeners, carbon and sediment filtration, reverse osmosis, iron and sulfur systems, UV and radon removal, for homes and commercial sites.
Tri-County Pump Service, Inc.
Well pump, water treatment and septic company with offices in Boonsboro and Frederick. It installs softeners, iron filters, reverse osmosis, sulfur aeration, UV and PFAS treatment, with free water analysis.
VITO Services
Rockville home services company offering whole-home carbon filtration, point-of-use reverse osmosis, anti-scale equipment and chlorine feed pumps for private water systems, with testing before equipment is chosen.
Water Doctor
Water treatment and well company that installs softeners, home filtration, reverse osmosis, UV sterilizers and iron and acid water treatment, and provides residential, commercial and lab-certified water testing plus well pump service.