Phoenix Home Water Systems by My Home Water System

Water softeners and filtration in Phoenix, AZ

How hard is Phoenix water?

Total hardness reported by City of Phoenix: 172-302 ppm (10-17.6 grains per gallon), range only (Calendar year 2025).

Hard to very hard City of Phoenix's figures for Phoenix read as hard to very hard on the USGS scale.

SoftMod.HardVery hard
Phoenix: 172 to 302 mg/L on USGS bands, 0 to 400 mg/L.

Source: City of Phoenix 2025 Water Quality Report. Sources last checked October 26, 2026.

Who you are working with. We are lining up one local company to serve this area. The request form names that company before you submit. We are not a water utility.

What does City of Phoenix publish about Phoenix water?

Phoenix gets almost all of its water from rivers and lakes, delivered through canals, and a small share from city wells.

MeasureAs publishedPeriodSource
Total hardness172-302 ppm (10-17.6 grains per gallon), range onlyCalendar year 2025City of Phoenix 2025 Water Quality Report
  • Water from the Salt and Verde Rivers is delivered through the Salt River Project canal network. About 20 city wells supplied about two percent of the water.

What does 172 to 302 mg/L mean for a Phoenix home?

172 to 302 mg/L is about 10.1 to 17.7 grains per gallon. The low end, 172 mg/L, is 8 mg/L under the 180 mg/L top of the USGS hard class; Phoenix's high end, 302 mg/L, is 122 mg/L over the 180 mg/L line where the USGS very hard class starts. (USGS hardness classes)

Which systems fit Phoenix water?

How does a Phoenix quote work?

  1. Send a request from one of the 41 Phoenix ZIP codes listed below.
  2. An assessment at your home, where your tap can be checked against City of Phoenix's published 172 to 302 mg/L.
  3. You get a written quote listing what is included.
  4. Installation and service by that company.

Common questions

How hard is the water in Phoenix?
Total hardness reported by City of Phoenix: 172-302 ppm (10-17.6 grains per gallon), range only (Calendar year 2025).
Is Phoenix water hard or soft?
Hard to very hard. The low end, 172 mg/L, is 8 mg/L under the 180 mg/L top of the USGS hard class; Phoenix's high end, 302 mg/L, is 122 mg/L over the 180 mg/L line where the USGS very hard class starts.
How many grains per gallon is Phoenix water?
In grains per gallon, as published: 10 to 17.6 grains per gallon (City of Phoenix, total hardness, Calendar year 2025).
Where does Phoenix tap water come from?
Phoenix gets almost all of its water from the Salt, Verde and Colorado rivers through Salt River Project canals and the Central Arizona Project, and the rest from about 20 city wells. Source: Phoenix 2025 Water Quality Report.
Does Phoenix water change over time?
Phoenix says taste and odor changes are often seasonal and strongest near fall, when algae grow in the canals. Source: Phoenix seasonal taste and odor FAQ.
Is Phoenix water treated with chlorine or chloramine?
Phoenix disinfects its entire supply, well water and treated surface water, with chlorine. Source: Phoenix 2025 Water Quality Report. A softener does not remove it.
How does Phoenix water compare with nearby cities?
Published hardness in Phoenix spans 172 to 302 mg/L. Nearby: Mesa 205 to 274 mg/L (converted from grains); Chandler 173 to 288 mg/L; Gilbert 113 to 300 mg/L (converted from grains); Scottsdale 215 to 290 mg/L.
Do I need a water softener in Phoenix?
City of Phoenix publishes 172 to 302 mg/L for Phoenix, which reads as hard to very hard. A test at your house shows whether your tap matches it.
Is the water the same in every Phoenix home?
City of Phoenix publishes one figure for its whole system (Calendar year 2025).
How much does a water softener cost in Phoenix?
We publish no prices for Phoenix. The installing company gives a written quote after an assessment at your home.
Who installs the system?
We have not named a local installing company for Phoenix yet. We will tell you the company's name and ask you before your request is shared with anyone.
Is Phoenix Home Water Systems part of the city or the water utility?
No. Phoenix Home Water Systems is not affiliated with City of Phoenix; it copies and links the published figures.
Is booking an assessment a purchase?
No, and a request commits you to nothing.

Which ZIP codes does this page cover?

85003, 85004, 85006, 85007, 85008, 85009, 85012, 85013, 85014, 85015, 85016, 85017, 85018, 85019, 85020, 85021, 85022, 85023, 85024, 85027, 85028, 85029, 85031, 85032, 85033, 85034, 85035, 85037, 85040, 85041, 85042, 85043, 85044, 85045, 85048, 85050, 85051, 85053, 85054, 85083, 85085

Compare published hardness in other cities on hard water by city.

Machine-readable facts: water.json. Summary for AI assistants: llms.txt.

Request a quote

A local specialist will contact you about your request.

Phoenix Home Water Systems is run by My Home Water System.

Do you own the home or have authority to approve work on it?
Water source
How should we contact you?

Please do not include payment, financing, medical or Social Security information.

Request a quote