Public water system
Irvine Ranch Water District
PWSID CA3010092 - Orange County, California
140 PPM
8.2 GPG
Moderately Hard0Soft60120180300+
Moderately Hard (140 PPM)Verified - State Lab Tested
System Details
- Water source
- surface water
- Population served
- 444,800
- Service connections
- 121,167
- Status
- Active
Hardness Evidence
- Reported hardness
- 140 PPM
- Grains per gallon
- 8.2 GPG
- Data source
- California treated-water report
- Source year
- 2024
- Raw/source estimate
- 247 PPM
Linked City Reports
Buena Park, CACerritos, CACypress, CALa Habra Heights, CAStanton, CARossmoor, CASeal Beach, CASunset Beach, CASurfside, CACowan Heights, CASanta Ana Height, CAFoothill Ranch, CANewport Beach, CALake Forest, CACapistrano Beach, CACorona Del Mar, CACosta Mesa, CAMonarch Bay, CAHuntington Beach, CALaguna Niguel, CALaguna Hills, CAMidway City, CAAliso Viejo, CASan Clemente, CAMission Viejo, CASilverado, CACoto De Caza, CAWestminster, CARancho Santa Mar, CASanta Ana, CAFountain Valley, CAAnaheim, CA
Served ZIP Codes
How to Use This System Page
A public water system can serve multiple ZIP codes and cities. Use this page to inspect the source behind the hardness reading, then open the linked ZIP or city page for the local rollup.
If you are sizing treatment equipment, confirm your actual tap hardness with a home test or lab test before buying.