Public water system
Waukesha Water Utility
PWSID WI2680238 - Waukesha County, Wisconsin
300 PPM
17.5 GPG
Very Hard0Soft60120180300+
Very Hard (300 PPM)Verified - Annual Water Quality Report
System Details
- Water source
- surface water
- Population served
- 70,718
- Service connections
- 26,192
- Status
- Active
Hardness Evidence
- Reported hardness
- 300 PPM
- Grains per gallon
- 17.5 GPG
- Data source
- Annual Water Quality Report
- Source year
- N/A
- Raw/source estimate
- 361 PPM
Linked City Reports
Served ZIP Codes
| ZIP | Location | ZIP average |
|---|---|---|
| 53005 | Brookfield, WI | Very Hard (307 PPM) |
| 53007 | Butler, WI | Very Hard (299 PPM) |
| 53018 | Delafield, WI | Very Hard (300 PPM) |
| 53029 | Hartland, WI | Very Hard (309 PPM) |
| 53045 | Brookfield, WI | Very Hard (307 PPM) |
| 53046 | Lannon, WI | Very Hard (300 PPM) |
| 53051 | Menomonee Falls, WI | Very Hard (300 PPM) |
| 53058 | Nashotah, WI | Very Hard (300 PPM) |
| 53066 | Oconomowoc, WI | Very Hard (300 PPM) |
| 53069 | Okauchee, WI | Very Hard (300 PPM) |
| 53072 | Pewaukee, WI | Very Hard (319 PPM) |
| 53089 | Sussex, WI | Very Hard (300 PPM) |
| 53103 | Big Bend, WI | Very Hard (300 PPM) |
| 53118 | Dousman, WI | Very Hard (299 PPM) |
| 53119 | Eagle, WI | Very Hard (299 PPM) |
| 53122 | Elm Grove, WI | Very Hard (300 PPM) |
| 53146 | New Berlin, WI | Very Hard (300 PPM) |
| 53149 | Mukwonago, WI | Very Hard (310 PPM) |
| 53150 | Muskego, WI | Very Hard (299 PPM) |
| 53151 | New Berlin, WI | Very Hard (300 PPM) |
| 53153 | North Prairie, WI | Very Hard (299 PPM) |
| 53183 | Wales, WI | Very Hard (301 PPM) |
| 53186 | Waukesha, WI | Very Hard (300 PPM) |
| 53188 | Waukesha, WI | Very Hard (300 PPM) |
| 53189 | Waukesha, WI | Very Hard (300 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.