Public water system
Watertown Municipal Utilities
PWSID SD4600356 - Codington County, South Dakota
384 PPM
22.5 GPG
Very Hard0Soft60120180300+
Very Hard (384 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 23,230
- Service connections
- 9,968
- Status
- Active
Hardness Evidence
- Reported hardness
- 384 PPM
- Grains per gallon
- 22.5 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 57201 | Watertown, SD | Very Hard (384 PPM) |
| 57235 | Florence, SD | Very Hard (370 PPM) |
| 57243 | Henry, SD | Very Hard (383 PPM) |
| 57245 | Kranzburg, SD | Very Hard (384 PPM) |
| 57263 | South Shore, SD | Very Hard (384 PPM) |
| 57272 | Wallace, SD | Very Hard (384 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.