Public water system
Kilauea
PWSID HI0000407 - Kauai County, Hawaii
55 PPM
3.2 GPG
Soft0Soft60120180300+
Soft (55 PPM)Estimated - Nearby Data
System Details
- Water source
- groundwater
- Population served
- 3,420
- Service connections
- 1,601
- Status
- Active
Hardness Evidence
- Reported hardness
- 55 PPM
- Grains per gallon
- 3.2 GPG
- Data source
- Nearby estimate
- Source year
- N/A
Linked City Reports
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.