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Water Treatment Companies Serving Howard County
12 water filtration and water treatment companies that are based in or say they serve Howard 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.
Carroll Water Systems
Authorized EcoWater dealer providing softeners, filtration, reverse osmosis, water testing and well services including drilling and pumps, for homes and businesses. Also has offices in Virginia and Pennsylvania.
First Class Mechanical
Westminster plumbing, HVAC and well pump contractor that installs softeners, sediment and backwashing filters, reverse osmosis units, UV systems and acid neutralizers, with free drinking water testing.
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.
Mid-Atlantic Water Services
Annapolis water treatment and plumbing company installing softeners, whole-home filtration, reverse osmosis and UV or ozone systems, treating well water for iron, sulfur and bacteria, with free in-home testing.
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.
R&G Water Systems, Inc.
Family-run Carroll County company that services well pumps and tanks and installs water softeners, whole-house and carbon filters, reverse osmosis units and UV systems. It offers a free basic water analysis.
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.
TriState Home Services
Frederick home services company that installs carbon, reverse osmosis and UV filtration, whole-home filtration and purification, and repairs and installs water softeners.
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.