Public water system
Castleford City Of
PWSID ID5420010 - Twin Falls County, Idaho
107 PPM
6.3 GPG
Slightly Hard0Soft60120180300+
Slightly Hard (107 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 275
- Service connections
- 112
- Status
- Active
Hardness Evidence
- Reported hardness
- 107 PPM
- Grains per gallon
- 6.3 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 83321 | Castleford, ID | Hard (200 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.