Modern Plumbing
Verified Pro
3½+ years online5.0
Water Treatment & Softeners in Naperville, IL
Compare 24 water treatment & softeners contractors near you in Naperville and surrounding area with an average rating of 4.8/5. Get free quotes, read reviews, and find the right pro for your project.
Last updated March 23, 2026
Most pros respond within 2–24 hours
Verified Pro Installers
modernplumbingllc.com
Culligan of Geneva
Verified Pro
~18 years online4.9(295)
Culligan of Wheaton
Verified Pro
~18 years online4.9(124)
LaCassa Plumbing | Plumber, Drain Cleaning, Sewer Repair and Tankless Water Heater Installation Naperville, IL
Verified Pro
~7 years online4.8
Other Businesses in This Area
Ecodyne Water Treatment LLC
Agualkaline Solutions
5.020½+ years onlineBarrett's Soft Water Service
5.0~16 years onlineBee Quick Plumbing & Sewer - Naperville
5.0~4 years onlineBolingbrook Water Conditioning
5.0Nalco Water An Ecolab Company
5.0~30 years onlineProfessional Water Systems Inc.
5.027½+ years onlineThe Aqua Doctors
5.0Animo Plumbing
4.910 mo onlineAQUAKLEEN NAPERVILLE
4.925+ years onlineCulligan of Bolingbrook
4.922½+ years onlinePure Water Systems of Chicagoland
4.9~16 years onlineBlue Line Coral
4.8~11 years onlineClear Water
4.8J. Blanton Plumbing, Sewer & Drain
4.815+ years onlineRoto-Rooter Plumbing & Water Cleanup
4.8~29 years onlineDRF Water Heating Solutions
4.716½+ years onlineJohnson Water Conditioning
4.720+ years onlineAspect Plumbing & Heating
4.4Aquarium Adventure
4.225½+ years onlineWater Treatment & Softeners in Nearby IL Cities
Other Services in Naperville
Access Control & Intercom(44)Alarm System Installation(25)Appliance Installation(24)Artificial Turf Installation(28)Automotive Installs(2)Concrete & Paving(35)Deck & Patio Building(33)Electrical Services(22)EV Charger Installation(11)Fencing & Gate Installation(21)Fire Protection & Sprinklers(31)Garage Door Installation(21)
Water Treatment & Softeners in Naperville, IL
Naperville water-treatment contractors in this directory serve homes on Naperville Public Utilities (treated, moderately hard at 8-12 grains) and surrounding DuPage County well-water properties. A whole-home twin-tank water softener runs $1,800-$3,400 installed. Well-water systems with iron filtration, softener, and RO at the kitchen typically land $4,500-$9,500.
Naperville Public Utilities treats Lake Michigan source water. Most installers run free in-home tests.
Frequently Asked Questions
- How hard is Naperville tap water?
- Moderately hard — typically 8-12 grains per gallon (140-200 ppm).
- Should I test my DuPage County well?
- Yes — at minimum annually for total coliform and nitrates.
- Is RO worth it?
- For most users, yes — under-sink RO at $400-$900 installed.
About NeedInstall
NeedInstall helps connect customers with local installation professionals across Naperville 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.