Sample locations
Contributing from
Displaying locations 21 - 40 of 465 in total
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Knoch Knolls - Dupage River
113 datapoints on 17 dates (December 20 2023 → February 28 2026)
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Marvis Park - Killjordan creek
20 datapoints on 2 dates (February 08 2026 → February 28 2026)
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Blackberry Creek Hannaford Woods FP - Blackberry Creek at Hannaford Woods FP
47 datapoints on 9 dates (December 22 2024 → February 28 2026)
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Riverbank Neighbors - Berteau - Chicago River
74 datapoints on 10 dates (November 18 2024 → February 28 2026)
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West Branch DuPage River - DuPage River
125 datapoints on 17 dates (December 03 2023 → February 28 2026)
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Salt Creek Greenway Trail (just south of North Avenue) - Salt Creek
37 datapoints on 2 dates (January 31 2026 → February 28 2026)
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Downers Grove - Prentiss Creek
57 datapoints on 4 dates (November 19 2025 → February 28 2026)
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West Branch Dupage River - WBDR
66 datapoints on 10 dates (December 07 2023 → February 28 2026)
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Mill Creek at bike trail bridge - Mill Creek
160 datapoints on 20 dates (December 20 2023 → February 28 2026)
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Creek under Fairmount Ave, east side of bridge - Creek under Fairmount Ave
98 datapoints on 14 dates (November 19 2024 → February 28 2026)
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North Aurora Riverfront Park - Fox River
27 datapoints on 4 dates (November 24 2025 → February 28 2026)
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Woodland Rd. Creek - Woodland Rd. Creek
98 datapoints on 14 dates (November 24 2023 → February 27 2026)
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Forest Preserves of Cook County - Burnham, Illinois - Powderhorn Lake
36 datapoints on 6 dates (November 15 2025 → February 27 2026)
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Waubonsie Creek Trail Bridge - Waubonsie Creek
102 datapoints on 17 dates (December 17 2023 → February 27 2026)
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Forest Preserves of Cook County - Kickapoo Woods - Little Calumet River
88 datapoints on 13 dates (November 26 2024 → February 27 2026)
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Sandy Creek in Elgin Township Wetland preserve - Sandy Creek
58 datapoints on 9 dates (December 19 2023 → February 27 2026)
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Frank Holten State Park - Whispering Willow Lake
35 datapoints on 4 dates (November 07 2025 → February 27 2026)
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Nippersink Creek @ Rte 12 (west of State Park Rd intersection) - Nippersink Creek
79 datapoints on 13 dates (November 30 2024 → February 27 2026)
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Lily Cache Creek - Lily Cache Creek
326 datapoints on 31 dates (November 04 2021 → February 27 2026)
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West Branch Du Page River - West Branch Du Page River
86 datapoints on 12 dates (November 13 2024 → February 27 2026)
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