Public water system
Berryessa Pines Water System
PWSID CA2810009 - Napa County, California
448 PPM
26.2 GPG
Very Hard0Soft60120180300+
Very Hard (448 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- surface water
- Population served
- 261
- Service connections
- 78
- Status
- Active
Hardness Evidence
- Reported hardness
- 448 PPM
- Grains per gallon
- 26.2 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 94558 | Spanish Flat, CA | Slightly Hard (82 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.