![](https://api.mapbox.com/styles/v1/mapbox/outdoors-v10/static/url-https%3A%2F%2Fwaterrangers.ca%2Fobservation-marker-v1.png(-88.1318951,41.7202538)/-88.1318951,41.7202538,16,0,0/380x220@2x?access_token=pk.eyJ1Ijoid2F0ZXJyYW5nZXJzIiwiYSI6ImY4Mzc4MTZkZDZkN2Y4YzFhMjA2MzQ3NDAyZjM0MjI1In0.jA6aLxZWzUm8bSBbumka4Q)
DuPage River (west branch): West Branch of the DuPage River
Naperville, Illinois, United States
Waterbody Type:River
Last observed: December 19, 2024 Monitored since: November 20, 2024
Locations are places where people have tested before. Click on any location report to view water health trends at that spot over time. What's this?
+107 new sample locations added in the past 30 days
Naperville, Illinois, United States
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