Dataset

Winter Chloride Watch

Dataset summary

Observations

  • 2 May 2025

    St Joseph Creek Downers Grove by Elisabeth Grzywa

  • 2 May 2025

    Unnamed Creek on Rock Island Greenway by Robert Rowe

  • 2 May 2025

    Dry Run Creek in Lower Bradley Park by Robert Rowe

  • 1 May 2025

    Canal Origins Park by Annette Anderson

  • 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.