Public water system
Flathead County Water And Sewer
PWSID MT0001744 - Flathead County, Montana
100 PPM
5.8 GPG
Slightly Hard0Soft60120180300+
Slightly Hard (100 PPM)Verified - Annual Water Quality Report
System Details
- Water source
- groundwater
- Population served
- 7,775
- Service connections
- 3,805
- Status
- Active
Hardness Evidence
- Reported hardness
- 100 PPM
- Grains per gallon
- 5.8 GPG
- Data source
- Annual Water Quality Report
- Source year
- N/A
- Raw/source estimate
- 205 PPM
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 59417 | Saint Mary, MT | Slightly Hard (100 PPM) |
| 59901 | Kalispell, MT | Slightly Hard (100 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.