Chloride ppm
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329.0
West Branch Du Page River : West Branch Du Page River
Naperville, Illinois, United States
Observed by
Lawrence Hjorth
- Observed on: Sat, 22 Mar 2025 13:00:00 -0500
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Associated with:
National Great Rivers : Winter Chloride Watch - Lat: 41.781825
- Lng: -88.1751965
Observation report
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Notes
The test was taken on a full sun day with a mild wind and no ice on the river.