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Public water system

Indiana American Water - Northwest

PWSID IN5245015 - Lake County, Indiana

144 PPM
8.4 GPG
Moderately Hard
0Soft60120180300+
Moderately Hard (144 PPM)Verified - Annual Water Quality Report

System Details

Water source
surface water
Population served
210,510
Service connections
84,204
Status
Active

Hardness Evidence

Reported hardness
144 PPM
Grains per gallon
8.4 GPG
Data source
Annual Water Quality Report
Source year
N/A
Raw/source estimate
384 PPM

Linked City Reports

East Cedar Lake, INCrown Point, INDyer, INEast Chicago, INGriffith, INHammond, INMunster, INHighland, INHobart, INLowell, INSaint John, INSchererville, INSchneider, INShelby, INWhiting, INGary, INLake Station, INMerrillville, INEckerty, INSulphur, INSaint Croix, IN

Served ZIP Codes

ZIPLocationZIP average
46303East Cedar Lake, INModerately Hard (145 PPM)
46307Crown Point, INModerately Hard (146 PPM)
46311Dyer, INModerately Hard (144 PPM)
46312East Chicago, INModerately Hard (144 PPM)
46319Griffith, INModerately Hard (144 PPM)
46320Hammond, INModerately Hard (144 PPM)
46321Munster, INModerately Hard (144 PPM)
46322Highland, INModerately Hard (144 PPM)
46323Hammond, INModerately Hard (144 PPM)
46324Hammond, INModerately Hard (144 PPM)
46327Hammond, INModerately Hard (144 PPM)
46342Hobart, INModerately Hard (145 PPM)
46356Lowell, INModerately Hard (144 PPM)
46373Saint John, INModerately Hard (144 PPM)
46375Schererville, INModerately Hard (144 PPM)
46376Schneider, INModerately Hard (144 PPM)
46377Shelby, INModerately Hard (144 PPM)
46394Whiting, INModerately Hard (144 PPM)
46402Gary, INModerately Hard (144 PPM)
46403Gary, INModerately Hard (144 PPM)
46404Gary, INModerately Hard (144 PPM)
46405Lake Station, INModerately Hard (144 PPM)
46406Gary, INModerately Hard (144 PPM)
46407Gary, INModerately Hard (144 PPM)
46408Gary, INModerately Hard (144 PPM)
46409Gary, INModerately Hard (144 PPM)
46410Merrillville, INModerately Hard (145 PPM)
47116Eckerty, INModerately Hard (144 PPM)
47174Sulphur, INModerately Hard (144 PPM)
47576Saint Croix, INModerately Hard (144 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.

MethodologySourcesSearch by ZIP