Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 6 December 2025

    Evans Field - Des Plaines River -Trail Marker 215 by Serena Pesch

  • 6 December 2025

    Pond at Briarcliff Neighborhood Beach by Lainey Howard

    Significant snow fall a week before observation.

  • 6 December 2025

    East Branch DuPage River at Churchill Woods by Beth Peluse

  • 6 December 2025

    Richland Creek @ Centennial Park by Greg Kimutis

    Had some ice on creek, open water in places.

  • 6 December 2025

    Copper Slough at Porter Park by Lainey Howard

    Significant snow fall a week before observation. Completely iced over and no water could be collected for testing.

  • 5 December 2025

    Brookbank Rd bridge over St. Joseph creek in Downers Grove. by Steve Ruffolo

  • 5 December 2025

    Rogers St. by Steve Ruffolo

    Reading was above the range given on chart. Value entered was the top of the scale provided.

  • 4 December 2025

    Trout Pond Outlet by Luke Baldwin

    Did not get a baseline this year. Several snow storms and salt events have occurred before testing.

  • 4 December 2025

    Powers Creek by Luke Baldwin

    Did not get a baseline on the site this year. Roads have been salted during previous storms.

  • 4 December 2025

    Boone Creek at Riverwalk Park by Anne Basten

    Completely frozen with no safe way to access at this time.

  • 3 December 2025

    Schoenberger Creek at West Belleville Bikeway by David Laslie

  • 3 December 2025

    Brainard's Branch, Grand Ave bridge between 19th and 20th Sts by Pamela Moriearty

    Two snow events on 11/30 and 12/2, total snow accumulation 14". Salt used on highways and urban sts.

  • 3 December 2025

    Kickapoo Creek Park, 2000 N. Jefferson St., Lincoln, IL pedestrian bridge on park road by Pamela Moriearty

    Two snow events on 11/30 and 12/2, total snow accumulation 14". Salt used on highways and urban sts.

  • 3 December 2025

    Bloomington Normal Water Reclamation District (BNWRD) Sugar Creek Monitoring Site by Katie Vogler

    Quantab value was above 9, actual ppm value is likely higher than 641