Jefferson Ave Bridge, Naperville, West Branch DuPage River : West Branch DuPage River

Naperville, Illinois, United States

Observed by
Julie Kulak

Observed on: Mon, 31 Mar 2025 16:15:00 -0500
Testers Julie Kulak
Associated with:
National Great Rivers : Winter Chloride Watch
Lat: 41.7727955
Lng: -88.1657767

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Observation report

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Water quality tests

Pending Quality Check from Water Rangers What's this?

Chloride ppm 284.0

Ice off

Since: 2025-03-31

Weather

Current weather

sunny

Low 3 this morning. 47 degrees F, breezy, and sunny at time of test.

Weather in previous 24 hours

High 75, low 43. A couple of thunderstorms blew through. It was windy - 20mph.

Latest photos

Notes

A few mallards by the bridge. I could hear red-winged blackbirds nearby, saw a flicker. The beaver cut down a sapling not far from the bridge along the riverwalk. On my walk home I went by the little pond off the riverwalk by the bridge and heard a northern leopard frog. It sounded cold!