Public water system
Lake County Csa 21 - North Lakeport
PWSID CA1710021 - Lake County, California
138 PPM
8.1 GPG
Moderately Hard0Soft60120180300+
Moderately Hard (138 PPM)Verified - State Lab Tested
System Details
- Water source
- surface water
- Population served
- 4,046
- Service connections
- 1,226
- Status
- Active
Hardness Evidence
- Reported hardness
- 138 PPM
- Grains per gallon
- 8.1 GPG
- Data source
- California treated-water report
- Source year
- 2024
- Raw/source estimate
- 99 PPM
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 95453 | Lakeport, CA | Moderately Hard (177 PPM) |
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.