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Don’t Miss Out

Rent A System For $9.95/mo. for First 3 Months!

  • Water Softeners
  • Reverse Osmosis Filters
  • Whole House Water Filters
Introductory offer. Brand new accounts only. Standard rates apply after 3 month trial period.

What’s In Your Water?

Get a FREE Water Test!

  • No mailing — fast results!
  • Test any tap in your home
  • NEW flexible sample pickup options
Schedule My Test Today!

The Proof

Why Do Rancho Cucamonga
Homeowners LOVE Us?

Baxter B.
Star Star Star Star Star

Installer was awesome and did a great job! Very happy with the sales consultation and all the savings offered. We took advantage of some great financing options. The family loves it and all our dry skin and scalp problems are gone! Great service. Thanks Culligan!

John P.
Star Star Star Star Star

The service has been great, beginning with our sales associate to, the installation technician, to the service technician and all the customer service representatives… We are treated professionally, with respect and service is always prompt. Very happy with our system and the company we purchased it from as well.

John S.
Star Star Star Star Star

This company is great. I’ve used their service for over a year now. And they continue to give me a lot of bang for the bucks I spend on Water Softener. Can definitely recommend using this company…People in the office are wonderful..


Water Problems?

We Have

Check Out Our Solution Center

The Best Water Softeners and Water Filters in Rancho Cucamonga.

With this combination of water resources, Glendale water quality often faces our share of water filtration and treatment issues:

Approximately 48 percent of Rancho Cucamonga’s overall water supply comes from local groundwater wells in the Chino Groundwater Basin and the Cucamonga Basin, located hundreds of feet below the earth’s surface. 3 percent of water is sourced from local canyon and tunnel water, and the remaining water comes from imported sources. Residents of Rancho Cucamonga, CA may notice problems with hard water as their drinking water has an average hardness of 151 PPM and 8.8 grains per gallon.

Whether you’re dealing with a stale, chlorinated taste or odor, or looking for ways to increase the efficiency of your home, Culligan of Ontario has a water filtering solution designed for the type of water problems Rancho Cucamonga deals with most. Learn more about our filtering solutions for tap water, and find the resources you need to address issues with your drinking water, today. 

Looking for more Rancho Cucamonga water information? Click here to find Rancho Cucamonga’s quality report.

Is Rancho Cucamonga Tap Water Safe To Drink?

Environmental Working Group detected 14 contaminants in Rancho Cucamonga tap water where levels reached above their recommended guidelines. This includes arsenic, Bromodichloromethane, 1,2-Dibromo-3-chloropropane (DBCP), Chloroform, and Bromoform.