Public water system
Rock Valley Rural Water District
PWSID IA8482701 - Sioux County, Iowa
520 PPM
30.4 GPG
Very Hard0Soft60120180300+
Very Hard (520 PPM)Estimated - Nearby Data
System Details
- Water source
- groundwater
- Population served
- 2,230
- Service connections
- 892
- Status
- Active
Hardness Evidence
- Reported hardness
- 520 PPM
- Grains per gallon
- 30.4 GPG
- Data source
- Nearby estimate
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 51247 | Rock Valley, IA | Very Hard (520 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.