Public water system
Jefferson County Pwsd 1
PWSID MO6024292 - Jefferson County, Missouri
270 PPM
15.8 GPG
Very Hard0Soft60120180300+
Very Hard (270 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- surface water
- Population served
- 21,113
- Service connections
- 7,558
- Status
- Active
Hardness Evidence
- Reported hardness
- 270 PPM
- Grains per gallon
- 15.8 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 63010 | Arnold, MO | Very Hard (277 PPM) |
| 63012 | Barnhart, MO | Very Hard (277 PPM) |
| 63016 | Cedar Hill, MO | Very Hard (276 PPM) |
| 63019 | Crystal City, MO | Very Hard (279 PPM) |
| 63020 | De Soto, MO | Very Hard (281 PPM) |
| 63023 | Dittmer, MO | Very Hard (277 PPM) |
| 63028 | Festus, MO | Very Hard (278 PPM) |
| 63048 | Herculaneum, MO | Very Hard (277 PPM) |
| 63049 | High Ridge, MO | Very Hard (277 PPM) |
| 63050 | Hillsboro, MO | Very Hard (282 PPM) |
| 63051 | House Springs, MO | Very Hard (277 PPM) |
| 63052 | Antonia, MO | Very Hard (277 PPM) |
| 63070 | Pevely, MO | Very Hard (279 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.