Public water system
Mount Vernon City Pws
PWSID OH4200812 - Knox County, Ohio
588 PPM
34.4 GPG
Very Hard0Soft60120180300+
Very Hard (588 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 16,990
- Service connections
- 7,348
- Status
- Active
Hardness Evidence
- Reported hardness
- 588 PPM
- Grains per gallon
- 34.4 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 43005 | Bladensburg, OH | Very Hard (588 PPM) |
| 43011 | Centerburg, OH | Very Hard (588 PPM) |
| 43014 | Danville, OH | Very Hard (563 PPM) |
| 43019 | Fredericktown, OH | Very Hard (516 PPM) |
| 43022 | Gambier, OH | Very Hard (588 PPM) |
| 43028 | Howard, OH | Very Hard (588 PPM) |
| 43037 | Martinsburg, OH | Very Hard (588 PPM) |
| 43050 | Mount Vernon, OH | Very Hard (588 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.