About this organization
Community scientists share their data on winter chloride concentrations associated with road salt use. Visit https://www.facebook.com/IllinoisRiverWatch for weekly winter updates on our findings!
Read moreRecent locations
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Hill Ave Bridge - East Branch DuPage River
105 datapoints on 19 dates (November 17 2023 → February 10 2026)
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Richland Creek @ South Side City Park - Richland Creek
328 datapoints on 37 dates (February 09 2023 → February 10 2026)
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Spring Creek- RVC Amphitheater - Spring Creek
431 datapoints on 43 dates (October 11 2022 → February 10 2026)
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Schoenberger Creek at West Belleville Bikeway - Schoenberger Creek
190 datapoints on 17 dates (October 23 2023 → February 10 2026)
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Rock Run Creek - Rock Run Creek
133 datapoints on 19 dates (November 12 2023 → February 10 2026)
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North Branch Chicago River at Edgebrook Woods - North Branch Chicago River
172 datapoints on 27 dates (December 17 2022 → February 10 2026)
Recent photos
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West Branch DuPage River at Hillside, 10 February 2026
Dataset: Winter Chloride Watch -
West Branch DuPage River at Hillside, 10 February 2026
Dataset: Winter Chloride Watch -
West Branch DuPage River at Hillside, 10 February 2026
Dataset: Winter Chloride Watch -
Cress Creek, 10 February 2026
Dataset: Winter Chloride Watch