Public water system
Quapaw Tribe
PWSID OK2005812 - Ottawa County, Oklahoma
171 PPM
10 GPG
Moderately Hard0Soft60120180300+
Moderately Hard (171 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 55
- Service connections
- 31
- Status
- Active
Hardness Evidence
- Reported hardness
- 171 PPM
- Grains per gallon
- 10 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
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.