Combo Systems in Ontario, CA
Inland Empire and Coachella Valley water in Ontario reads at 12 to 16 gpg, and historical agricultural and industrial use means many CA basins still require active treatment for nitrate or perchlorate before delivery. Purest Water Solutions delivers combo systems across Ontario, sized for what City of Ontario Municipal Utilities actually delivers to your tap rather than a generic spec.
Combo Systems from Purest Water Solutions is a softener and whole-house filter installed together at the main line, with an optional point-of-use RO for drinking water. In Ontario, that means working against hardness, nitrate, TDS, the contaminants that most affect City of Ontario Municipal Utilities water in your service area.
Combo Systems for Ontario Water
Ontario households are some of our most common combo installs. 12 to 16 gpg hardness plus nitrate exposure in the inland basins means softening, filtration, and RO all do work that the others cannot.
What is in Ontario water
City of Ontario Municipal Utilities supplies Ontario and surrounding areas. The most recent published report measures hardness at 12 to 16 gpg and flags hardness, nitrate, TDS as the priority concerns for household water. You can review the full report on the City of Ontario Municipal Utilities water quality page.
Why Ontario households choose Purest Water Solutions
Frequently Asked Questions
Why do Ontario homes need combo systems?
Ontario pumps from the Chino Basin and supplements with imported State Water Project supply, with the new Ontario Ranch developments scaling fast enough that home softeners are a standard buyer ask. Combo systems pair softening with whole-house filtration and an optional kitchen-sink RO so the hardness, nitrate, TDS are each addressed by the right stage.
Do you serve neighborhoods like Ontario Ranch, Downtown Ontario, Creekside in Ontario?
Yes. Purest Water Solutions serves Ontario Ranch, Downtown Ontario, Creekside, and the rest of Ontario, CA. We also work in neighboring Rancho Cucamonga, Fontana, Pomona. One service truck typically covers the whole metro on the same day.
Where can I look up Ontario's water quality report?
City of Ontario Municipal Utilities publishes an annual water quality report covering your service area. The current report is online at https://www.ontarioca.gov/Utilities/Water/Quality. Bring questions about it to your free water test and we will walk through it together.
Schedule Combo Systems in Ontario
Call (949) 873-1129 or book a free in-home water test. We will walk through your City of Ontario Municipal Utilities report and what it means for your household before recommending any equipment.