Public water system
Marshalltown Water Works
PWSID IA6469042 - Marshall County, Iowa
360 PPM
21.1 GPG
Very Hard0Soft60120180300+
Very Hard (360 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 27,591
- Service connections
- 9,812
- Status
- Active
Hardness Evidence
- Reported hardness
- 360 PPM
- Grains per gallon
- 21.1 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 50005 | Albion, IA | Very Hard (268 PPM) |
| 50051 | Clemons, IA | Very Hard (268 PPM) |
| 50078 | Ferguson, IA | Very Hard (268 PPM) |
| 50106 | Gilman, IA | Very Hard (269 PPM) |
| 50120 | Haverhill, IA | Very Hard (268 PPM) |
| 50141 | Laurel, IA | Very Hard (268 PPM) |
| 50142 | Le Grand, IA | Very Hard (269 PPM) |
| 50148 | Liscomb, IA | Very Hard (268 PPM) |
| 50158 | Marshalltown, IA | Very Hard (271 PPM) |
| 50162 | Melbourne, IA | Very Hard (269 PPM) |
| 50234 | Rhodes, IA | Very Hard (268 PPM) |
| 50239 | Saint Anthony, IA | Very Hard (268 PPM) |
| 50247 | State Center, IA | Very Hard (270 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.