Apple River in Apple River Canyon State Park : Apple River

Stockton, Illinois, United States

Observed by
Erik Nichols

Observed on: Wed, 29 Jan 2025 13:17:00 -0600
Testers Kathryn Schaffer
Associated with:
National Great Rivers : Winter Chloride Watch
Lat: 42.4475334
Lng: -90.0540948

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Observation report

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Water quality tests

Pending Quality Check from Water Rangers What's this?

Chloride ppm 49.0

Air temperature °C 1.1

Water temperature °C 0.0

Ice on

Since: 2025-01-29

Weather

Current weather

sunny

Sunny and calm, beginning of a warm spell. First day that ice has begun to melt at this location, allowing water sampling.

Weather in previous 24 hours

sunny

No precipitation, above freezing temperatures, sunny.

Latest photos

Notes

Heavy ice has covered this area of the river for a few weeks. Sample taken through a small melt-hole at the shoreline on first substantial day of melting. No precipitation or significant road salt application in the previous week.