Badger Water
Verified Pro
2½+ years online4.9
Water Treatment & Softeners in Madison, WI
Compare 32 water treatment & softeners contractors near you in Madison and surrounding area with an average rating of 4.7/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 22, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
Other Businesses in This Area
Berryman Water Conditioning
Proficient H2O
12 years onlineAnden
5.027+ years onlineFox Soft Water
5.027½+ years onlineWellness Water Filtration Systems
5.05½+ years onlineAvid Plumbing LLC
4.914½+ years onlineGuthrie & Frey Water Conditioning LLC
4.9~16 years onlineSoft Water, Inc.
4.928+ years onlineSouthport Home Services
4.920½+ years onlineWater Doctors
4.927+ years onlineAll Comfort Services
4.821½+ years onlineBenjamin Plumbing
4.828+ years onlineClean Water Center
4.8~21 years onlineCulligan of Fort Atkinson - Abendroth
4.819 years onlineCulligan Total Water of Madison
4.819 years onlineH.J. Pertzborn Plumbing and Fire Protection Corporation.
4.828½+ years onlineKJM Plumbing, LLC
4.8~3 years onlineAction Plumbing, Heating, Air Conditioning and Electric, Inc.
4.7~16 years onlineCapitol Plumbing Co.
4.7~19 years onlineE & D Water Works Inc
4.716½+ years onlineHellenbrand Aqua Systems Water Center
4.5~30 years onlineClack Corporation
4.029+ years onlineDiscovery Water Management LLC
3.913+ years onlinePremium Waters, Inc.
3.927½+ years onlineWater Treatment & Softeners in Nearby WI Cities
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About Water Treatment & Softeners in Madison
Water treatment covers filtration, softening, and purification systems for homes and businesses. Common solutions include whole-home water softeners, reverse osmosis drinking water systems, and iron/sulfur filters. The right system depends on your water source and specific contaminants.
Typical costs: Under-sink reverse osmosis systems run $300–$800 installed. Whole-home water softeners are $1,500–$4,000. Iron filters and multi-stage whole-home systems are $2,000–$6,000+.
Common projects include:
- Whole-home water softener installation
- Reverse osmosis drinking water system
- Iron and sulfur filtration
- UV water purification
- Well water treatment systems
Water treatment installations that modify plumbing may require plumbing permits. Well water systems may need additional environmental or health department approval.
Frequently Asked Questions
- How much does water treatment & softeners cost in Madison?
- An under-sink reverse osmosis system runs $300–$800 installed. A standard water softener is $1,500–$4,000 including installation and plumbing connections. Well water treatment systems with multiple stages (sediment, iron, softener, UV) can run $3,000–$8,000. Annual maintenance (filters, salt) is $100–$300.
- How do I find a reliable water treatment & softeners contractor in Madison?
- Start with a water test — a good installer will test your water before recommending a system. Ask about ongoing maintenance costs (filter replacements, salt, UV bulb changes). The cheapest system isn't the best deal if filters cost $200 every 6 months.
- Do I need a permit for water treatment & softeners in Madison?
- Simple point-of-use filters don't need permits. Whole-home systems that tie into the main water line may require a plumbing permit. Well water treatment systems may need health department review in some areas.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Madison and surrounding communities. Featured contractors have claimed their profile and verified their business information. Listings marked as "Verified Pro" have been confirmed by the business owner.