Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 27 January 2025

    Glen Crest Creek at Willowbrook Forest Preserve by Mark Thomas

    Glen Crest Creek was frozen over at the usual sampling location. An alternative sampling location 275 feet upstream was used for collection of the sample.

  • 27 January 2025

    Springbrook Creek @ N Circle Ave, Bloomingdale by Elizabeth Bolivar

  • 27 January 2025

    Klein Creek at Fountain View Recreation Center by Brianna Garza

  • 27 January 2025

    East Branch DuPage River at Hidden Lake Forest Preserve by Mark Thomas

  • 27 January 2025

    Long Run Creek - Homer Glen, IL by Greg Vejvoda

    Very low flow in the creek.

  • 27 January 2025

    DuPage River at Riverwalk South Covered Bridge by Shelley Birdsong

    River largely frozen with some open spots. Had to move about 30-40 ft up-river to collect sample.

  • 27 January 2025

    West bridge, Winfield Creek, Northside Park by Kate Fleming

    solid ice, unable to record chloride levels

  • 26 January 2025

    Knoch Knolls by Mackenzie Kaehler

    The ground was so frozen I was unable to get a sample.

  • 26 January 2025

    140 and 127 in Greenville by Nathaniel Brown

    Water level was high when creek froze, water is lower now. Ice on bank. Water was clear in color.

  • 26 January 2025

    Eugene Field Park by Katie Nathenson

    Ice much thicker than Dec. Was able to find accessible spot with water flowing though. We've had several snow/ice days throughout the month so the results are not surprising

  • 26 January 2025

    East Branch Poplar Creek by William Quinn

    Chloride level was higher than top limit on the chart.

  • 26 January 2025

    Flagg Creek German Church Road Bridge by Stephen McCracken

  • 25 January 2025

    DuPage River Park - Small Pond - Site 2 by Leah Gladkowski

    Took sample at 2:25 pm. Water level of the pond was below the bank. Half the pond was frozen, causing me to have to sample on the opposite side of where I sampled previously. Some ducks were hanging out on the edge of the ice.

  • 25 January 2025

    Mill Creek at bike trail bridge by Rod Allen

    River flow measured at USGS gauge about three miles upstream

  • 25 January 2025

    Spring Brook Creek - N of Meacham Grove FP by Karen Snyder