Cleaner drinking water
Multi-stage reverse osmosis helps reduce PFAS, chlorine, disinfectant byproducts, fluoride, heavy metals and TDS
What’s in your water?
Dependable reverse osmosis systems for cleaner, better-tasting water—installed and supported by a licensed local contractor.
Tank and Tankless Options Available
Alkaline Remineralizing Filter Standard on Every System
After removing unwanted contaminants, we add back beneficial minerals like calcium, magnesium, and potassium for better-tasting, mineral-rich water with higher alkalinity.
What we offer
Reverse osmosis systems you can trust.
Practical, under-sink water treatment designed around your household.
Better taste and clarity
Reduces unwanted tastes and odors, leaving great-tasting water.
Environmental & cost savings
Reduces reliance on bottled water, helping lower ongoing costs and single-use plastic waste.
Convenient & out of sight
Compact point-of-use treatment delivers water at the tap for drinking, cooking, ice, and pets.
Why reverse osmosis?
Tap water is treated, but it isn’t always purified.
Contaminants can enter water through the source, treatment process, aging infrastructure, or plumbing inside the home. A properly selected RO system adds a focused layer of treatment where your family drinks and cooks.
Choose your system
We help match a tank or tankless option to your space and needs.
Professional installation
Installed by an experienced, licensed local contractor.
Enjoy it every day
Cleaner-tasting water is ready for your family, cooking, and pets.
Old Dog Water Treatment · LIC# 1161592