Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 30 January 2025

    Bourbonnais Creek Upstream by ONU Earth & Space Sciences River Keepers

    Most snow has melted, lots of salt on ground, most of the creek is frozen, some areas are completely thawed. Quantab unit 7.8; higher than scale.

  • 30 January 2025

    Dixie Creek at Gaslight Dr by Brad Andresen

    Ice covered, found open flowing water just inside the culvert opening.

  • 30 January 2025

    Ratt Creek at Hanson Rd by Brad Andresen

    Chloride level grater than 641ppm, but this was the limit of the test strip scale used for this test

  • 30 January 2025

    Woods Creek at Brookside Pedestrian Bridge by Brad Andresen

  • 29 January 2025

    Blackberry Creek Forest Preserve by Ryan Kriz

    The majority of the creek was frozen over, but I was able to get a water sample using a cup attached to a rope and lowered to the edge of the creek where a small amount of liquid water was present. Amount present on test strip was below the lowest amount listed on the chart of 30 PPM Chloride.

  • 29 January 2025

    North Aurora Riverfront Park by Maura Canzano

    There was ice along the riverbank, extending several feet into the river, at the normal collection spot so I walked approximately 85 feet south. Water was collected underneath the State Street Bridge.

  • 29 January 2025

    Trout Pond Outlet by Luke Baldwin

    Very icy snow fall January 14th that required lots of road salting, and freezing temperatures leading up to thaw.

  • 29 January 2025

    Powers Creek by Luke Baldwin

    Very icy snow fall January 14th that required lots of road salting, and freezing temperatures leading up to thaw.

  • 29 January 2025

    Tyler Creek Forest Preserve by Suzi Myers

    Creek was frozen over so I was unable to take a sample.

  • 29 January 2025

    Apple River in Apple River Canyon State Park by Erik Nichols

    Heavy ice has covered this area of the river for a few weeks. Sample taken through a small melt-hole at the shoreline on first substantial day of melting. No precipitation or significant road salt application in the previous week.