Public water system
Coeur D Alene City Of
PWSID ID1280053 - Kootenai County, Idaho
97 PPM
5.6 GPG
Slightly Hard0Soft60120180300+
Slightly Hard (97 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 54,115
- Service connections
- 20,174
- Status
- Active
Hardness Evidence
- Reported hardness
- 97 PPM
- Grains per gallon
- 5.6 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 83801 | Athol, ID | Moderately Hard (124 PPM) |
| 83803 | Bayview, ID | Moderately Hard (124 PPM) |
| 83810 | Cataldo, ID | Moderately Hard (123 PPM) |
| 83814 | Coeur D Alene, ID | Moderately Hard (122 PPM) |
| 83815 | Coeur D Alene, ID | Moderately Hard (123 PPM) |
| 83824 | Desmet, ID | Slightly Hard (97 PPM) |
| 83826 | Eastport, ID | Slightly Hard (97 PPM) |
| 83833 | Harrison, ID | Moderately Hard (123 PPM) |
| 83835 | Hayden Lake, ID | Slightly Hard (119 PPM) |
| 83842 | Medimont, ID | Moderately Hard (123 PPM) |
| 83846 | Mullan, ID | Slightly Hard (97 PPM) |
| 83847 | Naples, ID | Slightly Hard (97 PPM) |
| 83849 | Osburn, ID | Slightly Hard (97 PPM) |
| 83854 | Post Falls, ID | Moderately Hard (124 PPM) |
| 83858 | Rathdrum, ID | Moderately Hard (126 PPM) |
| 83866 | Santa, ID | Slightly Hard (97 PPM) |
| 83867 | Silverton, ID | Slightly Hard (97 PPM) |
| 83868 | Smelterville, ID | Slightly Hard (97 PPM) |
| 83869 | Spirit Lake, ID | Moderately Hard (124 PPM) |
| 83876 | Worley, ID | Moderately Hard (123 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.