Dataset

Winter Chloride Watch

Dataset summary

Observations

  • 30 April 2025

    Sandy Creek in Elgin Township Wetland preserve by Holly Hudson

    Water level low but still flowing. Relatively dry spring to date, with periods of above normal temperatures. Previous rain 5 days ago (approx. 0.3 inches). Total April rainfall approx. 2.6 inches (data from nearby personal weather station KILELGIN122).

  • 30 April 2025

    Old Renwick Road Bridge, Plainfield Park District by Lea Rodbarry

  • 30 April 2025

    West Branch DuPage River at Hillside by Shari Buma

  • 30 April 2025

    North Branch Nippersink Creek @ W Solon Rd by Cindy Skrukrud

  • 30 April 2025

    Nippersink Creek @ Rte 12 (west of State Park Rd intersection) by Cindy Skrukrud

  • 30 April 2025

    Lily Cache Creek by John Griffis

    Depth 0.19 m. Observed 30+ bank swifts darting around overhead.

  • 30 April 2025

    Flint Creek-Grassy Lake Forest Preserve Trail Bridge by Anna Niedzinski

  • 30 April 2025

    Winfield Creek at Emerson School by Maureen Keil

    Mallard swimming in the creek

  • 30 April 2025

    Springbrook Creek @ S Maple Ave, Itasca by Elizabeth Bolivar

    Extra Test: 256 PPM

  • 30 April 2025

    Springbrook Creek @ N Circle Ave, Bloomingdale by Elizabeth Bolivar

    Extra Test: 238 PPM