Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 16 April 2025

    Ron Haimbaugh by Ron Haimbaugh

    Water level was normal. Saw some minnows but it was still too cold for the frogs to be out.

  • 16 April 2025

    East DuPage river at St. Charles by Chris Thomson

  • 15 April 2025

    Ferson Creek at Randall Road bike trail bridge by Rod Allen

  • 15 April 2025

    Salt Creek - Fullersburg - Rainbow Bridge by Kevin Blair

  • 15 April 2025

    Des Plaines River from Des Plaines Riverways DuPage FPD by Kevin Blair

  • 15 April 2025

    Ferson Creek at LeRoy Oakes FP Bridge by Jim Baum

  • 14 April 2025

    Fox River at Route 120 bridge in McHenry by Anne Basten

    Downstream dam was closed for spring water level rising on 3/25. Currently 1/2 way to summer pool. Rain in system last week.

  • 14 April 2025

    Morgan Creek at Morgan Creek Park by Alyssa Theodor

    The chloride peak on the test strip appeared just barely past the 2.4 mark, so I rounded up to 2.6

  • 14 April 2025

    East Branch DuPage River at East Branch Forest Preserve by Ralph Watkins