Services
Water treatment companies in New Hampshire
Water treatment, water conditioning, water filtration: New Hampshire companies use all three words for overlapping work, and which one you need is decided by your test result rather than by the name on the truck. Each service below is sized to your water and your home. The first step is always the same: a free in-home water test that shows what is actually in your well.
Two things are worth checking before you sign with any New Hampshire water treatment company: that the equipment being quoted carries the NSF/ANSI certification for the contaminant on your report, and that your result came from an accredited laboratory rather than a sales demonstration. What each contaminant means is in the contaminants overview.
Well Water Testing
The first step for any New Hampshire well. A local contractor provides a free in-home water test, or you can use a state-accredited laboratory.
Learn moreArsenic Treatment
The highest-intent concern on New Hampshire bedrock wells. A contractor sizes a system to your water and the arsenic species present.
Learn moreUranium Treatment
Naturally occurring uranium turns up in parts of New Hampshire bedrock. A contractor typically addresses it with anion exchange or reverse osmosis.
Learn moreRadon in Water Treatment
Waterborne radon is distinct from airborne radon. On bedrock wells a contractor reduces it with aeration or activated carbon.
Learn moreIron and Manganese Treatment
Iron and manganese cause staining, taste, odor, and buildup. Treatment is often bundled with an arsenic or uranium system.
Learn moreWhole-House Water Treatment
Point-of-entry systems treat the water entering the whole home. This is the route to weigh when more than one contaminant is present.
Learn moreReverse Osmosis Systems
Point-of-use drinking-water systems at the kitchen tap, often paired with a whole-house system for the rest of the home.
Learn moreNot sure which you need?
Most New Hampshire wells carry more than one contaminant, and a single test shows the full picture. Read the contaminants overview, or just get a free test and let a contractor sort it out.
Your request goes straight to an independent local water treatment contractor serving New Hampshire, usually within about an hour during the day, not a national lead list.
What it costs, and what happens after you send it
- What does well water treatment cost in New Hampshire?
- It depends on your water, but New Hampshire has a state benchmark rather than a marketplace guess. an NHDES survey reported in DWGB-3-2 found a median installed cost of about $3,000, with median annual maintenance around $550, with a whole-house single-filtration system generally falling between $1,500 and $3,000. For a single tap, it found a median installed cost of about $1,200, with median annual maintenance around $343, with a point-of-use reverse osmosis unit commonly running $1,200 to $2,000 installed. Those are 2026 New Hampshire market context drawn from NHDES guidance, not a quote. Your arsenic, uranium or iron level, your water chemistry, and whether you treat one tap or the whole home decide the real number, which is what the free in-home test and written itemized quote pin down.
- How fast will someone get back to me?
- Your request goes to a licensed local water treatment contractor, usually within about an hour during the day. That contractor then arranges the free in-home water test and gives you a written, itemized quote on their own schedule.
- What work is covered?
- Arsenic treatment, uranium treatment, radon in water treatment, iron and manganese treatment, whole-house treatment, reverse osmosis systems, and well water testing. See every service.
Only a contractor standing at your well can price your actual water.
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