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Water Treatment / Softener Installation in St. Louis County, Missouri

22 businesses offering water treatment / softener installation in St. Louis County, MO. Updated 9-22-26. Serving St. Louis, Chesterfield, Fenton, Florissant, Maryland Heights and Ballwin and the rest of the county.

Business	Phone	Website
AAA Plumbing & Water Heater ServiceEllisville	(636) 238-1786	aaastl.com/plumbing	Report Phone doesn’t work Website doesn’t work
All Pro Water, LLCEllisville	(636) 220-8601	allpro-water.com	Report Phone doesn’t work Website doesn’t work
Aqua SystemsSt. Louis	(314) 530-2458	ilovemywater.com/stlouis	Report Phone doesn’t work Website doesn’t work
B & B DistributorsSt. Louis	(800) 969-7787	b-bdist.com	Report Phone doesn’t work Website doesn’t work
Beis PlumbingValley Park	(314) 802-9390	beisplumbing.com	Report Phone doesn’t work Website doesn’t work
Brenco CorporationSt. Louis	(800) 963-7101	fortecmedical.com	Report Phone doesn’t work Website doesn’t work
Culligan Industrial Water of HerculaneumChesterfield	(636) 343-9998	culliganwater.com/locations/culligan-of-herculaneum	Report Phone doesn’t work Website doesn’t work
Culligan of St. LouisChesterfield	(636) 343-9998	culliganwater.com/locations/culligan-of-st-louis	Report Phone doesn’t work Website doesn’t work
Da-Com CorporationSt. Louis	(314) 442-2800	da-com.com	Report Phone doesn’t work Website doesn’t work
H2Only Water Center PlazaSt Ann	(314) 209-1996	watercenterplaza.com	Report Phone doesn’t work Website doesn’t work
J J Kokesh & Son IncBallwin	(636) 391-1233	jjkokeshandson.com	Report Phone doesn’t work Website doesn’t work
Jaytech IncMaryland Heights	(855) 795-8555	jaytech.com	Report Phone doesn’t work Website doesn’t work
Krystal Klear WaterSt. Louis	(314) 301-9120	—	Report Phone doesn’t work
Leaf Home Water FiltrationEarth City	(314) 417-2112	leafhome.com/locations/missouri/st-louis/water-solutions?y_s	Report Phone doesn’t work Website doesn’t work
Metropolitan Sewer DistrictValley Park	(314) 768-6260	stlmsd.com	Report Phone doesn’t work Website doesn’t work
Mr. Rooter Plumbing of St. LouisFenton	(314) 665-2157	mrrooter.com/st-louis/?cid=LSTL_MRR000199	Report Phone doesn’t work Website doesn’t work
Our Free Water StoreChesterfield	(314) 485-1677	ourfreewaterstore.com	Report Phone doesn’t work Website doesn’t work
Roto-Rooter Plumbing & Water CleanupBallwin	(636) 893-1350	rotorooter.com/ballwinmo	Report Phone doesn’t work Website doesn’t work
Roto-Rooter Plumbing & Water CleanupChesterfield	(314) 471-0048	rotorooter.com/chesterfieldmo	Report Phone doesn’t work Website doesn’t work
Roto-Rooter Plumbing & Water CleanupHazelwood	(314) 961-3425	rotorooter.com/hazelwoodmo	Report Phone doesn’t work Website doesn’t work
Roto-Rooter Plumbing & Water CleanupEureka	(636) 429-2389	rotorooter.com/eurekamo	Report Phone doesn’t work Website doesn’t work
Wellsprings Water Filtration of St. LouisChesterfield	(636) 204-6233	wellspringswaters.com	Report Phone doesn’t work Website doesn’t work

Listed alphabetically. If a phone number or website does not work, use Report on that listing. Business owners: write to contact@hometradesdirectory.com to correct or remove a listing.

All 105 trades in St. Louis County