Public water system
Callao Pws
PWSID MO2010125 - Macon County, Missouri
157 PPM
9.2 GPG
Moderately Hard0Soft60120180300+
Moderately Hard (157 PPM)Estimated - Nearby Data
System Details
- Water source
- surface water
- Population served
- 311
- Service connections
- 126
- Status
- Active
Hardness Evidence
- Reported hardness
- 157 PPM
- Grains per gallon
- 9.2 GPG
- Data source
- Nearby estimate
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 63534 | Callao, MO | Very Hard (428 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.