Public water system
Fairfield City Pws
PWSID OH0900715 - Butler County, Ohio
140 PPM
8.2 GPG
Moderately Hard0Soft60120180300+
Moderately Hard (140 PPM)Verified - Annual Water Quality Report
System Details
- Water source
- groundwater
- Population served
- 44,907
- Service connections
- 13,682
- Status
- Active
Hardness Evidence
- Reported hardness
- 140 PPM
- Grains per gallon
- 8.2 GPG
- Data source
- Annual Water Quality Report
- Source year
- N/A
- Raw/source estimate
- 414 PPM
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 45011 | Hamilton, OH | Moderately Hard (140 PPM) |
| 45013 | Rossville, OH | Moderately Hard (141 PPM) |
| 45014 | Fairfield, OH | Moderately Hard (140 PPM) |
| 45015 | Lindenwald, OH | Moderately Hard (140 PPM) |
| 45042 | Middletown, OH | Moderately Hard (141 PPM) |
| 45044 | Excello, OH | Moderately Hard (140 PPM) |
| 45050 | Monroe, OH | Moderately Hard (140 PPM) |
| 45053 | Okeana, OH | Moderately Hard (140 PPM) |
| 45056 | Miami University, OH | Moderately Hard (140 PPM) |
| 45062 | Seven Mile, OH | Moderately Hard (140 PPM) |
| 45064 | Somerville, OH | Moderately Hard (140 PPM) |
| 45067 | Trenton, OH | Moderately Hard (140 PPM) |
| 45069 | West Chester, OH | Moderately Hard (140 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.