Surprise's tap water contains chlorine, dissolved solids, and contaminants that affect taste and quality. Our Thirst RO systems remove 99%+ of impurities, delivering water that's purer than bottled — right from your kitchen faucet.
18-25 GPG
Water Hardness (vs. 6 GPG national avg)
Groundwater wells
Primary Water Source
Nearest: Glendale
CWC Service Hub
Surprise tap water meets minimum EPA standards, but still contains Very high hardness, TDS, chlorine. These affect the taste, smell, and purity of your drinking water. A reverse osmosis system removes virtually all contaminants, giving you clean, great-tasting water.
Browse our reverse osmosis systems→1,600+
Five-Star Reviews
Since 1998
Serving Arizona Families
0% APR
Financing for 9 Months
Surprise tap water comes from Groundwater wells and carries very high hardness, TDS, chlorine. A reverse osmosis system under the kitchen sink handles the water you actually drink and cook with — sized and installed for Surprise homes.
reverse osmosis
Advanced water purifier delivering bottled water quality without the environmental impact. 5-stage purification removes 99%+ of dissolved solids.
or $89/mo for 9 months · 0% APR
reverse osmosis
Innovative reverse osmosis with advanced purification and alkaline remineralization. Leaves important trace minerals and electrolytes in filtered water for better taste.
or $100/mo for 9 months · 0% APR
reverse osmosis
Delivers mineral-rich alkaline water with eco-efficient purification. Balanced pH for healthier hydration — the premium option for health-conscious households.
or $111/mo for 9 months · 0% APR
The hardness range on this page reflects what we measure in Surprise homes during free in-home water tests. The city's own testing is published in City of Surprise Water's annual water quality report.
View the City of Surprise Water report(opens in a new tab)Installers and service trucks for Surprise dispatch from our Glendale hub. It’s a warehouse rather than a retail showroom, so call to book a free in-home water test, or see systems in person at our Mesa showroom.
Surprise water hardness averages 18-25 GPG, sourced from groundwater wells. This is significantly harder than the national average of 6 GPG, meaning scale buildup, dry skin, and appliance damage are common without treatment.
Yes — Surprise is within our Phoenix metro service area. Our nearest location is in Glendale. We offer free in-home water testing and same-week installation in most cases.
Reverse osmosis systems for Surprise homes start at $795: Thirst RO Pure from $795, Thirst RO Restore from $895, Thirst RO Thrive from $995. Every system is backed by a 5-Year Part & Labor Warranty. Installation is quoted separately. Pair with a water softener and save $350 with our bundle deal. 0% APR financing for 9 months is available.
Yes, for drinking water. A softener removes hardness so your pipes and appliances last, but it does not remove dissolved solids, chlorine, or other contaminants. Reverse osmosis handles the water you drink and cook with — most Surprise homes pair both, and the bundle saves $350.
Surprise tap water contains Very high hardness, TDS, chlorine. A Thirst RO system removes 90%+ of dissolved solids and contaminants, and the RO+ model adds alkaline remineralization for better-tasting water.
Under the kitchen sink, with its own dedicated faucet at the counter. Installation is quoted separately for every RO system we sell in Surprise.
Arizona's high dissolved-solids water works filters harder than the national average. Pre-filters are typically replaced yearly and the membrane every few years — we set a schedule based on your Surprise water and household usage.
Yes — 0% APR financing for 9 months applies to reverse osmosis systems installed in Surprise, and pairing RO with a water softener saves $350.
At 18-25 GPG, Surprise's water is well above the national average. A water softener protects your pipes, appliances, and skin. Pair with RO and save $350 with our bundle deal.
Surprise Water Softener Systems→A water expert will test your water, recommend the right system, and give you a no-pressure quote — all for free.
