Merle's Water Conditioning
Verified Pro
21½+ years online5.0
Water Treatment & Softeners in St. Paul, MN
Compare 32 water treatment & softeners contractors near you in St. Paul 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 May 22, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
Other Businesses in This Area
PureSpring Water Softeners & Filters
3 years onlineWellness Water Filtration Systems
2½+ years onlineFreedom Plumbing and Water Conditioning
5.02½+ years onlineGood Guys Plumbing LLC
5.0Minnesota Water
5.0Taplin Soft Water
5.0~17 years onlineThe McKays Company
5.01+ year onlineWater Heaters Only
5.024½+ years onlineAquarius Water Conditioning
4.914½+ years onlineHaferman Water Conditioning Inc.
4.925+ years onlineMetro Heating & Cooling
4.917 years onlineMetro Plumbing & Drains
4.9~8 years onlineRoto-Rooter Plumbing & Water Cleanup
4.9~29 years onlineSERVPRO of Northeast Minneapolis
4.929+ years onlineMSP Plumbing Heating Air
4.817 years onlineWarners' Stellian Appliance
4.828½+ years onlineSnelling Heating Cooling and Electrical
4.724 years onlineEcoWater Systems
3.431+ years onlineNorth Star Water Conditioning
2.519+ years onlineWater Treatment & Softeners in Nearby MN Cities
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Water Treatment & Softeners in St. Paul, MN
Water treatment and softeners in Saint Paul serves a Twin Cities market: Victorian homes throughout Summit Hill, mid-century homes, apartment complexes, and commercial properties. Typical jobs include whole-home water softeners (MN water has hardness/iron), reverse-osmosis drinking-water systems, and well-water treatment for some Saint Paul outskirts. MN water hardness and well-water drive approach.
Residential water softeners in Saint Paul run $1,800-$4,500; reverse osmosis $1,200-$3,500; well-water treatment $3,500-$10,000. Minnesota requires a Plumbing Contractor license. Saint Paul permits apply.
Frequently Asked Questions
- Is Saint Paul water hard?
- Yes — 12-18 grain hardness common.
- Iron treatment?
- Many MN wells have iron — oxidizing filter standard.
- RO for drinking?
- Popular — $1,200-$3,500.
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NeedInstall helps connect customers with local installation professionals across St. Paul 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.