Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 17 January 2023

    Lily Cache Creek by John Griffis

    Only measurable snowfall was 12/22/22--only use of road salt so far this winter. No ice

  • 15 January 2023

    Sangamon River Forest Preserve by Bruce M Colravy

    Chloride is entered at 33mg/l, because that is the lowest value on the conversion chart. The actual value is a little less than that.

  • 15 January 2023

    Prairie DuPont Creek @ Zingg Bridge by Greg Kimutis

    Thin layer of ice on water pooling areas.

  • 14 January 2023

    Fullersburg Woods near Rainbow Bridge by Stephanie Rens-Domiano

  • 14 January 2023

    Fullersburg Woods near Flat Bridge by Stephanie Rens-Domiano

    Nuthatch, 2 mallards

  • 14 January 2023

    North Branch Chicago River at Edgebrook Woods by Alan Matson

    The river is now completely ice free, since freeze over on 12/24/2022.

  • 11 January 2023

    Clark Park Boathouse by Susanna Lang

    As usual, lots of mallards

  • 11 January 2023

    Wild Mile by Mac Austin

    Small amounts of trash. Very still water. Ducks. Geese.

  • 10 January 2023

    Salt Creek, Elk Grove Village, IL at Morton Park by Shane/Hailey Sexton/Stapleton

  • 9 January 2023

    River Park Boathouse by Susanna Lang

    Mallards here, goldeneyes less than 1/4 mile downstream in Ronan Park. I noticed what could be road salt on paths beside the river in both parks, including offshoots to the river’s edge.

  • 7 January 2023

    River des Peres at Heman Park by Vanessa Cowart-Oberle

    ppm higher than 631, 7.8 Quantab Units was limit

  • 7 January 2023

    River Park Boathouse by Susanna Lang

    Lots of mallards (and poop) on dock and in water