Public water system
Rock Island Arsenal, Us Army
PWSID IL1615387 - Rock Island County, Illinois
296 PPM
17.3 GPG
Very Hard0Soft60120180300+
Very Hard (296 PPM)Estimated - County Avg
System Details
- Water source
- surface water
- Population served
- 7,800
- Service connections
- 198
- Status
- Active
Hardness Evidence
- Reported hardness
- 296 PPM
- Grains per gallon
- 17.3 GPG
- Data source
- County average estimate
- Source year
- N/A
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 61201 | Rock Island, IL | Very Hard (296 PPM) |
| 61232 | Andalusia, IL | Very Hard (295 PPM) |
| 61236 | Barstow, IL | Very Hard (296 PPM) |
| 61239 | Carbon Cliff, IL | Very Hard (296 PPM) |
| 61240 | Coal Valley, IL | Very Hard (296 PPM) |
| 61242 | Cordova, IL | Very Hard (297 PPM) |
| 61244 | East Moline, IL | Very Hard (296 PPM) |
| 61256 | Hampton, IL | Very Hard (296 PPM) |
| 61257 | Hillsdale, IL | Very Hard (296 PPM) |
| 61259 | Illinois City, IL | Very Hard (296 PPM) |
| 61264 | Milan, IL | Very Hard (296 PPM) |
| 61265 | Moline, IL | Very Hard (296 PPM) |
| 61275 | Port Byron, IL | Very Hard (297 PPM) |
| 61279 | Reynolds, IL | Very Hard (296 PPM) |
| 61282 | Silvis, IL | Very Hard (296 PPM) |
| 61284 | Taylor Ridge, IL | Very Hard (296 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.