Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 17 November 2024

    Mill Creek at bike trail bridge by Rod Allen

    River flow data from USGS station located about 1 mile upstream.

  • 17 November 2024

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

  • 16 November 2024

    Morgan Creek at Morgan Creek Park by Alyssa Theodor

    Beavers are very active cutting down small trees along the water's edge to build a dam. I had not see any evidence of beavers here prior to this fall.

  • 16 November 2024

    Ferson Creek at LeRoy Oakes FP Bridge by Jim Baum

    Nothing outstanding. Gray day. No rain.

  • 16 November 2024

    Terrace View Park Pond in Lombard, IL by Tony Ream

    Chloride is slightly lower than this time last year. Lots of ducks hanging out where I take my sample.

  • 16 November 2024

    North Branch Chicago River at W Devon Avenue by Daniel Downes

  • 15 November 2024

    West Ridge Nature Park Pond by Hannah Dove

    Though first frost has technically passed it has been unseasonably warm for November and so there is no ice or snow to be noted, and thus no salt on roads or sideways, chloride levels are very low