Public water system
Il American-Sterling
PWSID IL1955040 - Whiteside County, Illinois
207 PPM
12.1 GPG
Hard0Soft60120180300+
Hard (207 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 14,782
- Service connections
- 6,608
- Status
- Active
Hardness Evidence
- Reported hardness
- 207 PPM
- Grains per gallon
- 12.1 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 61037 | Galt, IL | Hard (207 PPM) |
| 61071 | Rock Falls, IL | Hard (246 PPM) |
| 61081 | Sterling, IL | Hard (207 PPM) |
| 61230 | Albany, IL | Hard (212 PPM) |
| 61243 | Deer Grove, IL | Hard (207 PPM) |
| 61250 | Erie, IL | Hard (216 PPM) |
| 61251 | Fenton, IL | Hard (207 PPM) |
| 61252 | Fulton, IL | Hard (224 PPM) |
| 61261 | Lyndon, IL | Hard (210 PPM) |
| 61270 | Morrison, IL | Hard (227 PPM) |
| 61277 | Prophetstown, IL | Hard (221 PPM) |
| 61283 | Tampico, IL | Hard (211 PPM) |
| 62035 | Godfrey, IL | Very Hard (315 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.