# Riverside Home Water Systems by My Home Water System

> Published water hardness for Riverside, CA, 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
- Hardness, Riverside Public Utilities: Average 197 mg/L (12 grains per gallon), range 180-210 mg/L (Calendar year 2025). Source: Riverside Public Utilities 2025 Water Quality Report, https://www.riversideca.gov/utilities/sites/riversideca.gov.utilities/files/pdf/water-quality/2025%20Water%20Quality%20Report.pdf
- USGS class, our reading of the published figures: hard to very hard. Classes: https://www.usgs.gov/water-science-school/science/hardness-water
- Riverside Public Utilities lists chlorine as its disinfectant. The 2025 report does not mention chloramine. Source: Riverside Public Utilities 2025 Water Quality Report, https://www.riversideca.gov/utilities/sites/riversideca.gov.utilities/files/pdf/water-quality/2025%20Water%20Quality%20Report.pdf
- Riverside water is local groundwater from the Bunker Hill and Riverside basins. Source: Riverside Public Utilities 2025 Water Quality Report, https://www.riversideca.gov/utilities/sites/riversideca.gov.utilities/files/pdf/water-quality/2025%20Water%20Quality%20Report.pdf
- Sources last checked: 2026-10-27

## Pages
- [Riverside water and quotes](https://riversidehomewatersystems.com/): the answer, the sources, common questions
- [Water data as JSON](https://riversidehomewatersystems.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
- Not taking requests yet. No prices are published; quotes come after an assessment at the home.
- Run by My Home Water System, operated by Aidren LLC.