Public water system
Sequim City Of
PWSID WA5377620 - Clallam County, Washington
289 PPM
16.9 GPG
Very Hard0Soft60120180300+
Very Hard (289 PPM)Estimated - Nearby Data
System Details
- Water source
- groundwater
- Population served
- 14,293
- Service connections
- 4,296
- Status
- Active
Hardness Evidence
- Reported hardness
- 289 PPM
- Grains per gallon
- 16.9 GPG
- Data source
- Nearby estimate
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 98305 | Beaver, WA | Moderately Hard (163 PPM) |
| 98326 | Clallam Bay, WA | Moderately Hard (163 PPM) |
| 98331 | Forks, WA | Moderately Hard (156 PPM) |
| 98350 | La Push, WA | Moderately Hard (163 PPM) |
| 98357 | Neah Bay, WA | Moderately Hard (163 PPM) |
| 98362 | Port Angeles, WA | Moderately Hard (162 PPM) |
| 98363 | Beaver, WA | Moderately Hard (158 PPM) |
| 98381 | Sekiu, WA | Moderately Hard (163 PPM) |
| 98382 | Sequim, WA | Hard (182 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.