# Gilbert Water Systems by My Home Water System

> Published water hardness for Gilbert, AZ, copied from the utility's own reports, and a way to request a written water treatment quote from one local company. Not a water utility.

## Water facts, as published
- Total hardness, Town of Gilbert: Average 10.79 grains per gallon (184.44 mg/L), range 6.61-17.54 grains per gallon (Calendar year 2025). Source: Gilbert 2025 Annual Drinking Water Quality Report, https://www.gilbertaz.gov/home/showpublisheddocument/54483/639183476630708025
- USGS class, our reading of the published figures: moderately hard to very hard. Classes: https://www.usgs.gov/water-science-school/science/hardness-water
- Gilbert disinfects with chlorine. Its 2025 residual averaged 0.92 ppm.
- Gilbert disinfects plant water with ozone and chlorine, and its pipes carry chlorine. Source: Gilbert water quality page, https://www.gilbertaz.gov/departments/public-works/water/water-quality-91
- Gilbert gets Salt and Verde River water through Salt River Project canals and Colorado River water through the Central Arizona Project, plus groundwater from 17 wells. Source: Gilbert water quality page, https://www.gilbertaz.gov/departments/public-works/water/water-quality-91
- Gilbert leans on groundwater during high demand and when canals are dried out for maintenance. Source: Gilbert water quality page, https://www.gilbertaz.gov/departments/public-works/water/water-quality-91
- Sources last checked: 2026-10-26

## Pages
- [Gilbert water and quotes](https://gilbertwatersystems.com/): the answer, the sources, common questions
- [Water data as JSON](https://gilbertwatersystems.com/water.json)
- [Water softeners](https://www.myhomewatersystem.com/water-softeners/), [whole-home filtration](https://www.myhomewatersystem.com/whole-home-filtration/), [reverse osmosis](https://www.myhomewatersystem.com/reverse-osmosis/)
- [Hard water by city](https://www.myhomewatersystem.com/hard-water-by-city/): published hardness for every city we cover

## Status
- Taking requests. No prices are published; quotes come after an assessment at the home.
- Run by My Home Water System, operated by Aidren LLC.