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

Naperville, Illinois, United States

Observed by
Julie Kulak

Observed on: Thu, 24 Apr 2025 09:40:00 -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 244.0

Ice off

Since: 2025-04-24

Weather

Current weather

sunny

65 degrees and sunny. Beautiful day!

Weather in previous 24 hours

cloudy
rainy
windy

High 76, low 57, .08" rain early morning. Windy.

Latest photos

Notes

A few mallards around the drain pipe. The Leopard Frogs and American Toads were in full chorus, and the beaver has been busy nearby. Saw MANY mussel shells further downstream, wondering if there's an otter in the river.