East Branch DuPage River at Hidden Lake Forest Preserve : East Branch DuPage River

Downers Grove, Illinois, United States

Observed by
Mark Thomas

Observed on: Sun, 27 Apr 2025 12:40:00 -0500
Testers Mark Thomas
Associated with:
National Great Rivers : Winter Chloride Watch
Lat: 41.825679
Lng: -88.053081

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Observation report

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Water quality tests

Pending Quality Check from Water Rangers What's this?

Chloride ppm 220.0

Air temperature °C 17.0

Water temperature °C 21.0

Weather

Current weather

sunny

0 precipitation winds 9 mph with gusts up to 18 mph

Weather in previous 24 hours

sunny
cloudy

0 precipitation temperature range 5-13

Latest photos

Notes

2 samples collected, used first sample for observation