Public water system
Hermiston, City Of
PWSID OR4100372 - Umatilla County, Oregon
176 PPM
10.3 GPG
Moderately Hard0Soft60120180300+
Moderately Hard (176 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- surface water
- Population served
- 20,000
- Service connections
- 5,979
- Status
- Active
Hardness Evidence
- Reported hardness
- 176 PPM
- Grains per gallon
- 10.3 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 97801 | Pendleton, OR | Moderately Hard (131 PPM) |
| 97810 | Adams, OR | Moderately Hard (132 PPM) |
| 97813 | Athena, OR | Moderately Hard (130 PPM) |
| 97817 | Bates, OR | Moderately Hard (176 PPM) |
| 97826 | Echo, OR | Moderately Hard (133 PPM) |
| 97835 | Helix, OR | Moderately Hard (132 PPM) |
| 97838 | Hermiston, OR | Moderately Hard (133 PPM) |
| 97848 | Kimberly, OR | Moderately Hard (176 PPM) |
| 97859 | Meacham, OR | Moderately Hard (132 PPM) |
| 97862 | Milton Freewater, OR | Moderately Hard (124 PPM) |
| 97868 | Pilot Rock, OR | Moderately Hard (132 PPM) |
| 97875 | Stanfield, OR | Moderately Hard (135 PPM) |
| 97880 | Dale, OR | Moderately Hard (131 PPM) |
| 97882 | Mcnary, OR | Slightly Hard (109 PPM) |
| 97886 | Weston, OR | Moderately Hard (130 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.