805-528-8990 SLO

805-898-1855 SB

Proudly serving San Luis Obispo and Santa Barbara counties for over 15 years.

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  • 8 Questions you need to ask a sales rep

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  • 5 Things you have to ask to get a professional installation, not just the easiest installation.

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Find a Hague Water System Dealer In Your Area


We have a system for every water problem, and every budget.

Hague Quality Water offers the highest quality water conditioning equipment in the industry. Established in 1960, we are the only remaining privately owned water conditioning manufacturer.





Learn how thousands of people on the central coast have reduced these problems simply by changing their water.

Not sure where to start?

Let's start with your water. What type of water supply do you have?

Customer Testimonial

"Having a serious skin condition, Psoriasis, the water system has made a huge improvement on my outbreaks and dry skin. Not to mention our bathroom is much easier to clean without deposits on our glass doors and chrome hardware." -Kevin & Yvette Winn, Buellton, CA

Shower Filter


$39 Delivered

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Building your Custom Home?House

Custom water treatment solutions for new construction, major remodel or retrofit installations.

  • Whole house filtration system
  • Multiple Faucet RO system
  • Spot free car wash
  • Spot free window wash
  • Zero waste water option