Capital Well Clean Water Center

Capital Well Clean Water Center works out of Dunbarton, New Hampshire, and homeowners call them for the whole water system: drilling the well, the pump and pressure tank, the filtration and softening New Hampshire groundwater usually needs, and the testing that tells you what is in it. The written record is long and current. Two hundred and fifty reviews run from 2021 through August 2026, Google shows a 4.9 average across 370 ratings, and customers whose wells were drilled more than a decade ago are still writing about annual service visits. The theme that repeats hardest is emergency response. One household lost water on a Monday morning and had a new pump and pressure tank running by Tuesday afternoon; another went from no water in the evening to two technicians at the house by 8am with water restored within two hours; a third, turned away by a softener company, had Capital Well diagnose and replace the well pump the same day. Weekend calls and an 8pm on-call answer show up in the same run of reviews. The second theme is explanation. Reviewers name individual technicians and describe being walked through radon and arsenic mitigation, UV and pH treatment, reverse osmosis and softener operation, and being given options rather than a pitch. Several who collected competing bids say the price came in at or below the alternatives for the equipment installed, with no surprise costs at the end. The one substantive complaint on file is about what happens between visits. A 2026 reviewer who called the technicians competent and friendly said the installed equipment gives no indication when something is wrong, and that the company does not send courtesy reminders for annual service. If ongoing maintenance matters to you, settle up front how service intervals get tracked and who initiates them. This is the straightforward call for a New Hampshire well or water-quality problem — a failed pump, a dry well, iron, manganese, arsenic or radon in the water — and especially when it is urgent. New Hampshire does not register this trade, so there is no state registration to check; confirm the written scope, the equipment being installed, and what the annual service plan covers before you sign.