Home › Water Filtration
Whole-Home Water Filtration for Southern NH
Remove contaminants, improve taste, and protect your family with professional filtration systems. PFAS, iron, arsenic, chlorine — we handle it all.


What's in Southern NH Water?
Southern New Hampshire faces unique water quality challenges. Here are the most common contaminants we treat:

PFAS ('Forever Chemicals')
Man-made chemicals linked to cancer and immune issues. Southern NH has some of the highest levels in the country due to Saint-Gobain contamination.

Iron & Manganese
Causes orange/brown staining on fixtures, laundry, and toilets. Common in Rockingham County wells.

Arsenic
Naturally occurring in NH bedrock. Odorless and tasteless but dangerous at levels above 10 ppb.

Chlorine & Chloramine
Used to disinfect municipal water. Safe but causes taste, odor issues, and dry skin.

Bacteria & Coliform
Can enter private wells through surface runoff or failing well casings. Requires UV or chemical treatment.

Sulfur (Rotten Egg Smell)
Hydrogen sulfide creates that distinctive smell. Common in deeper wells throughout southern NH.
Not sure what’s in your water?
Schedule a free on-site water test and find out exactly what contaminants are present.
Why Choose ClearWater NH?
Brand Agnostic
Transparent Pricing
PFAS Rebate Experts
Licensed & Insured

Filtration Technologies We Install
Every home has different water. We match the right technology to your specific water chemistry — never a one-size-fits-all approach. From whole-home carbon to certified PFAS ion exchange, we install and service it all.

Whole-Home Carbon Filtration
Removes chlorine, chloramine, VOCs, and taste/odor issues from every tap in your house. Ideal for city water homes.

Iron & Sulfur Filters
Air injection or chemical-free oxidizing filters that remove iron, manganese, and hydrogen sulfide from well water.

Reverse Osmosis (RO)
Point-of-use system installed under the kitchen sink. Removes 99%+ of contaminants for drinking and cooking water.

PFAS Ion Exchange
Certified whole-home PFAS removal using specialized resin media. The gold standard for PFAS treatment. NH rebates up to $10,000 available.
Filtration Packages
All prices include professional installation by a licensed plumber.
Basic Well Treatment
Iron, sediment & hardness
$2,400–$3,200 installed
- Iron & sediment filter
- Water softener
- Professional installation
- 1-year warranty
Full Well Treatment
Iron, sulfur, hardness + RO
$4,500–$5,800 installed
- Iron & sulfur filter system
- Water softener
- Under-sink reverse osmosis
- Sediment pre-filter
- Professional installation
- 1-year warranty
PFAS Removal System
PFAS removal + full treatment
$6,500–$9,500 installed
- Certified PFAS ion exchange system
- Iron & sulfur pre-treatment
- Water softener
- Rebate assistance included
- Professional installation
- 2-year warranty
Why Choose ClearWater NH?
Brand Agnostic
We're not locked into one manufacturer. We recommend Pentair, SpringWell, or whatever system best fits your water chemistry.
Transparent Pricing
We publish our installed prices online — the only company in southern NH that does. No surprises.
PFAS Rebate Experts
We've helped dozens of homeowners navigate the NH PFAS rebate program — up to $10,000 back.
Licensed & Insured
Every install is done by licensed plumbers. Registered in both NH and MA.
Water Filtration FAQs
Find out what's in your water
Schedule a free on-site water test. We'll tell you exactly what contaminants are present and recommend the right filtration system.
Schedule a free water test