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Capital Well, One Company, One Team

Call (800) 924-1192

Water Treatment

Committed to the Purity of New Hampshire’s Water

Water treatment services at your New Hampshire home or industrial facility help ensure the water you drink, bathe or cook with, and simply use day in and day out is clean, safe, and healthy for you and your family. Impurities can exist in any type of well, whether private or municipal, so it is crucial to have the proper systems in place to prevent bacteria, chemicals, and other types of contaminants from infecting your water.

Some contaminants, such as coliform, radon, iron, and arsenic, among others, are dangerous for human and animal consumption. Arsenic and radon, for example, are found naturally in groundwater and bedrock. Because these contaminants are so commonly found in New Hampshire, the state recommends annual testing of private wells, while an elected government official typically manages the water treatment of public municipal systems.

Other contaminants are not necessarily harmful, but may cause problems such as foul odor or bitter taste. While the public municipal systems are managed by the state, homeowners with private wells are responsible for their own water treatment and testing.

Water treatment can be a complex and confusing process. Which process is right for your water? What are the differences between a reverse osmosis water filter and an ultraviolet filter, and why do those differences matter? Should you install a point-of-use water treatment system or a point-of-entry system? What is the best way to treat iron contamination?

Let Capital Well’s Clean Water professionals clear up the confusion and clean up your water.

Schedule a Water Treatment Consultation!

Water is our life; our water treatment systems and processes can enhance the quality of yours. As lifelong New Englanders dedicated to community and comfort, we take pride in helping provide the best water services to New Hampshire families.

Schedule Your Water Testing Today!

For well water testing to help keep your systems clean and clear of contaminants, call (800) 924-1192 today, or fill out the form on this page and one of our clean water professionals will contact you to arrange a water test.

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What Our Clients Say

  • David G. Andreasan

    Capital Well, Thank you very much for your expertise. From project manager sales, great office staff, and great workmanship. All your workers are something to be verey proud of! They seem to be all part of your family. I am very happy and very satisfied. I am extremely impressed.
  • George Craggy

    Jonathan, I wanted to drop a couple of lines to tell you how satisfied and happy that I chose Capital Well Co. for my water needs. From your lead man Steve to your drill people, your plumbing guy and your guy on the back hoe. Everyone that cast a shadow on my door threshold were polite, professional and willing to take the time to explain and answer my questions; which were many . Jon, it was my pleasure to meet you today and pleased that you came by for a follow up visit and explain how the heater works. SO...if I get a chance to tell everyone that needs a new well, I definitely will. It is apparent there is no "I" in your team . Thank you everyone.
  • Richard Meaney

    Mr. Swain, Thank you so much for the service Capital Well provided at my home today. I left a message with you at the behest of Ed Monty. I received a prompt phone call from Greg to arrange for a service call and to discuss what might need to be done. Promptly at (actually a few minutes before) the scheduled time, Bobby showed up to perform the service. Bobby was excellent at explaining the service, why some things were needed and how the well and pump worked, and answered all of my questions to my satisfaction. All in all, this was a very positive experience for us. Thanks to you and the people at Capital Well for prompt, courteous, and efficient service.
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About Capital Well

Capital Well Clean Water Center has been part of the New Hampshire community since its founding in 1986. Clean, pure water is something that's important to all of us, so we offer a wide range of products to deliver clean water to families. We know that pure water plays a big role in your family's comfort. learn more..

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Imagine a Day Without Water: No water to drink, to shower, or put out fires #ValueWater https://t.co/HDADFWwsDk
Hey Hillsboro area! #Free #mineralwatertesting this morning! Every Friday at Aubuchon @AubuchonHardware, Hillsboro from 10-2pm
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Where We Are

Dunbarton Office
150 Concord Stage Road
Dunbarton, NH 03046
603-774-6155

Lancaster Office
234 Summer Street
Lancaster, NH 03584
603-788-5550