Public water system

South Wilmington

PWSID IL0630650 - Grundy County, Illinois

432 PPM
25.3 GPG
Very Hard
0Soft60120180300+
Very Hard (432 PPM)High Confidence - USGS Monitoring

System Details

Water source
groundwater
Population served
700
Service connections
340
Status
Active

Hardness Evidence

Reported hardness
432 PPM
Grains per gallon
25.3 GPG
Data source
USGS monitoring
Source year
N/A

Linked City Reports

Served ZIP Codes

ZIPLocationZIP average
60474South Wilmington, ILVery Hard (290 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.