Public water system
Richland City Of
PWSID WA5372250 - Benton County, Washington
197 PPM
11.5 GPG
Hard0Soft60120180300+
Hard (197 PPM)Verified - Annual Water Quality Report
System Details
- Water source
- surface water
- Population served
- 106,248
- Service connections
- 32,217
- Status
- Active
Hardness Evidence
- Reported hardness
- 197 PPM
- Grains per gallon
- 11.5 GPG
- Data source
- Annual Water Quality Report
- Source year
- N/A
- Raw/source estimate
- 66 PPM
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 99320 | Benton City, WA | Hard (194 PPM) |
| 99336 | Kennewick, WA | Hard (197 PPM) |
| 99337 | Kennewick, WA | Hard (197 PPM) |
| 99338 | Richland, WA | Hard (197 PPM) |
| 99345 | Paterson, WA | Hard (197 PPM) |
| 99346 | Plymouth, WA | Hard (197 PPM) |
| 99350 | Prosser, WA | Hard (203 PPM) |
| 99352 | Richland, WA | Hard (197 PPM) |
| 99353 | Richland, WA | Hard (197 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.