Chloride ppm
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226.0
West Branch Du Page River : West Branch Du Page River
Naperville, Illinois, United States
Observed by
Lawrence Hjorth
- Observed on: Sun, 18 May 2025 12:35:00 -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
This is the last test of the season