Public water system
Mankato
PWSID MN1070009 - Blue Earth County, Minnesota
300 PPM
17.5 GPG
Very Hard0Soft60120180300+
Very Hard (300 PPM)Verified - Annual Water Quality Report
System Details
- Water source
- surface water
- Population served
- 42,803
- Service connections
- 10,750
- Status
- Active
Hardness Evidence
- Reported hardness
- 300 PPM
- Grains per gallon
- 17.5 GPG
- Data source
- Annual Water Quality Report
- Source year
- N/A
- Raw/source estimate
- 266 PPM
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 56001 | Mankato, MN | Very Hard (300 PPM) |
| 56010 | Amboy, MN | Very Hard (302 PPM) |
| 56024 | Eagle Lake, MN | Very Hard (319 PPM) |
| 56034 | Garden City, MN | Very Hard (300 PPM) |
| 56037 | Good Thunder, MN | Very Hard (302 PPM) |
| 56055 | Lake Crystal, MN | Very Hard (315 PPM) |
| 56063 | Madison Lake, MN | Very Hard (306 PPM) |
| 56065 | Mapleton, MN | Very Hard (306 PPM) |
| 56078 | Pemberton, MN | Very Hard (301 PPM) |
| 56080 | Saint Clair, MN | Very Hard (303 PPM) |
| 56090 | Vernon Center, MN | Very Hard (301 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.