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Water Softeners & Filtration in Tempe, AZ

Tempe's water averages about 12 grains per gallon, but its 2025 report shows readings as high as 32. We help Tempe homeowners, from older ranch homes to townhomes, pick a system that fits their space and their water.

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Tempe water • At a glance

What's in Tempe's Tap Water

Most of Tempe's water comes from the Salt and Verde rivers through SRP, with some groundwater and Colorado River water. The groundwater share is what pushes hardness to the top of the range.

12.3 gpg

Average hardness
211 mg/L average in 2025 (very hard)

10.4–32.6 gpg

Hardness range
177–557 mg/L

79% SRP · 14% wells · 7% CAP

Water sources
From Tempe's 2025 report

Chlorine

Disinfectant
Reduced by carbon filtration for taste and smell

Source: City of Tempe 2025 Water Quality Report. Numbers vary by neighborhood and season; we confirm with a test at your home.

For Tempe homes

What Tempe's Water Means for Your Home

  • Size for the peaksTempe's average is about 12 gpg, but readings reach 32. A metered softener sized for the high end keeps up without wasting salt on normal days.
  • Older homes, tighter spacesMany Tempe homes were built before softener loops were standard, and townhomes have less room. We plan the setup around your space.
  • Better drinking waterReverse osmosis fits under the kitchen sink, so it works even when there is no room for anything else.
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Our services • Water treatment for East Valley homes

Water Treatment Services in Tempe, AZ

Every service we offer is available across Tempe.

Water Softener Systems

Reduce the hard-water minerals behind white spots, crusty faucets, stiff laundry and scale in your water heater. East Valley water is very hard, so this is where most homes start.

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Whole-Home Water Filtration

Filter the water for every faucet and shower in the house, for better taste and less chlorine smell from the moment water enters your home.

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Reverse Osmosis Drinking Water Systems

Clean, great-tasting water for drinking, cooking, coffee and ice, right from a dedicated faucet at your kitchen sink.

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Carbon Filtration Systems

Reduce chlorine taste and odor with carbon filtration sized for your home's water use.

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City Water Treatment Systems

Treatment plans for East Valley city water: hardness, chlorine taste and the spots and scale city water leaves behind.

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Well Water Treatment Systems

For properties on private wells: help with hardness, sediment, iron staining and odor, based on what your well water shows.

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Frequently asked • Answers to your questions

Tempe Water Questions

Straight answers about water in Tempe.

How hard is Tempe's water?

Tempe's 2025 report shows an average of 211 mg/L, about 12.3 grains per gallon, with a range up to 557 mg/L (about 32.6 gpg).

My Tempe home has no softener loop. Can I still get a softener?

Usually, yes. It takes some extra plumbing to tie into the main line. We'll tell you what your home needs before anything is scheduled.

Does a softener fit in a townhome?

Often it does. Compact softeners and under-sink RO systems are made for smaller spaces.

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Questions about your water? Call, text or send a message. We're here to help.

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