Public water system
Watsonville, City Of
PWSID CA4410011 - Santa Cruz County, California
195 PPM
11.4 GPG
Hard0Soft60120180300+
Hard (195 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- surface water
- Population served
- 65,231
- Service connections
- 14,955
- Status
- Active
Hardness Evidence
- Reported hardness
- 195 PPM
- Grains per gallon
- 11.4 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 95003 | Aptos, CA | Hard (213 PPM) |
| 95005 | Ben Lomond, CA | Hard (213 PPM) |
| 95006 | Boulder Creek, CA | Hard (212 PPM) |
| 95007 | Brookdale, CA | Hard (213 PPM) |
| 95010 | Capitola, CA | Hard (213 PPM) |
| 95017 | Davenport, CA | Hard (213 PPM) |
| 95018 | Felton, CA | Hard (213 PPM) |
| 95019 | Freedom, CA | Hard (213 PPM) |
| 95033 | Monte Sereno, CA | Hard (213 PPM) |
| 95041 | Mount Hermon, CA | Hard (213 PPM) |
| 95060 | Scotts Valley, CA | Hard (213 PPM) |
| 95062 | Santa Cruz, CA | Hard (213 PPM) |
| 95064 | Santa Cruz, CA | Hard (213 PPM) |
| 95065 | Santa Cruz, CA | Hard (213 PPM) |
| 95066 | Scotts Valley, CA | Hard (213 PPM) |
| 95073 | Soquel, CA | Hard (213 PPM) |
| 95076 | La Selva Beach, CA | Hard (215 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.