Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 25 February 2025

    Apple Orchard Park - Mendota Creek by Amy Brewer

    there was lots of ice and cold weather last week, and they spread salt often to help with the ice.

  • 25 February 2025

    West Branch DuPage River at Naperville Riverwalk by Amy Phillips

  • 25 February 2025

    West Branch Du Page River by Lawrence Hjorth

    The sample was taken at 11:35 am. on 2-25-25 under sunny skies with a slight wind.

  • 25 February 2025

    Ferson Creek at Randall Road bike trail bridge by Rod Allen

    Did duplicate Cl test. Results same: 172ppm.

  • 24 February 2025

    Nippersink Creek at the Keystone Landing in McHenry County Conservation District's Glacial Park Conservation Area by Sue Rose

    Chloride levels today were the lowest that they've been all season. Last week they were at the highest level at 114 PPM, and today they were 92 PPM.

  • 24 February 2025

    South Branch of Kishwaukee River at N. 1st Street by Patty Ruback

  • 24 February 2025

    Glencrest creek south of Bemis Road by Lance Lambert

    Big thaw was totally ice covered 2 days ago.

  • 24 February 2025

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

  • 24 February 2025

    Jefferson Ave Bridge, Naperville, West Branch DuPage River by Julie Kulak

    The ducks and geese are moving. Cardinals are singing for spring. A great blue heron was resting near the ice.

  • 24 February 2025

    Ratt Creek at Hanson Rd by Brad Andresen

    reading on test strip exceeded the scale. Chloride levels greater than 641ppm.