Public water system
Collinsville
PWSID IL1194280 - Madison County, Illinois
501 PPM
29.3 GPG
Very Hard0Soft60120180300+
Very Hard (501 PPM)High Confidence - USGS Monitoring
System Details
- Water source
- groundwater
- Population served
- 29,500
- Service connections
- 13,000
- Status
- Active
Hardness Evidence
- Reported hardness
- 501 PPM
- Grains per gallon
- 29.3 GPG
- Data source
- USGS monitoring
- Source year
- N/A
Linked City Reports
Alhambra, ILAlton, ILBethalto, ILCottage Hills, ILDorsey, ILEast Alton, ILEdwardsville, ILGlen Carbon, ILGodfrey, ILMitchell, ILHamel, ILHartford, ILLivingston, ILMadison, ILMarine, ILMaryville, ILMoro, ILNew Douglas, ILRoxana, ILSouth Roxana, ILVenice, ILWood River, ILWorden, ILCollinsville, ILHighland, ILSaint Jacob, ILTroy, IL
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 62001 | Alhambra, IL | Very Hard (434 PPM) |
| 62002 | Alton, IL | Very Hard (425 PPM) |
| 62010 | Bethalto, IL | Very Hard (433 PPM) |
| 62018 | Cottage Hills, IL | Very Hard (433 PPM) |
| 62021 | Dorsey, IL | Very Hard (433 PPM) |
| 62024 | East Alton, IL | Very Hard (434 PPM) |
| 62025 | Edwardsville, IL | Very Hard (435 PPM) |
| 62034 | Glen Carbon, IL | Very Hard (433 PPM) |
| 62035 | Godfrey, IL | Very Hard (315 PPM) |
| 62040 | Mitchell, IL | Very Hard (436 PPM) |
| 62046 | Hamel, IL | Very Hard (435 PPM) |
| 62048 | Hartford, IL | Very Hard (433 PPM) |
| 62058 | Livingston, IL | Very Hard (432 PPM) |
| 62060 | Madison, IL | Very Hard (433 PPM) |
| 62061 | Marine, IL | Very Hard (435 PPM) |
| 62062 | Maryville, IL | Very Hard (433 PPM) |
| 62067 | Moro, IL | Very Hard (433 PPM) |
| 62074 | New Douglas, IL | Very Hard (439 PPM) |
| 62084 | Roxana, IL | Very Hard (433 PPM) |
| 62087 | South Roxana, IL | Very Hard (433 PPM) |
| 62090 | Venice, IL | Very Hard (433 PPM) |
| 62095 | Wood River, IL | Very Hard (433 PPM) |
| 62097 | Worden, IL | Very Hard (435 PPM) |
| 62234 | Collinsville, IL | Very Hard (433 PPM) |
| 62249 | Highland, IL | Very Hard (433 PPM) |
| 62281 | Saint Jacob, IL | Very Hard (436 PPM) |
| 62294 | Troy, IL | Very Hard (433 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.