Public water system
Marathon Light & Water Department
PWSID IA1150030 - Buena Vista County, Iowa
710 PPM
41.5 GPG
Very Hard0Soft60120180300+
Very Hard (710 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 230
- Service connections
- 120
- Status
- Active
Hardness Evidence
- Reported hardness
- 710 PPM
- Grains per gallon
- 41.5 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 50565 | Marathon, IA | Very Hard (459 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.