Public water system
Maxwell Public Utility District
PWSID CA0610003 - Colusa County, California
198 PPM
11.6 GPG
Hard0Soft60120180300+
Hard (198 PPM)Verified - State Lab Tested
System Details
- Water source
- groundwater
- Population served
- 1,175
- Service connections
- 393
- Status
- Active
Hardness Evidence
- Reported hardness
- 198 PPM
- Grains per gallon
- 11.6 GPG
- Data source
- California treated-water report
- Source year
- 2023
- Raw/source estimate
- 282 PPM
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 95955 | Maxwell, CA | Hard (198 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.