Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 22 May 2025

    West Branch DuPage River at Hillside by Shari Buma

  • 22 May 2025

    Harry J. Wolf by Harry Wolf

    Last test of the season. Water was fairly clear and levels about normal for this stream. Interestingly, chloride levels were slightly higher than previously recorded.

  • 21 May 2025

    Sangamon River Forest Preserve by Bruce M Colravy

  • 21 May 2025

    Lake Charles at Beach Inlet by Darlene Garay

  • 21 May 2025

    Sangamon River Forest Preserve site by Bruce M Colravy

  • 21 May 2025

    Trout Pond Outlet by Luke Baldwin

    Drought like conditions over the past month. Seen my first badger in the wild digging for ground squirrels 5-22-25.

  • 21 May 2025

    Powers Creek by Luke Baldwin

    Drought conditions have made the spring water flow very low and almost looks stagnant. This is the first rain we have had in weeks that may have penetrated the soil.

  • 21 May 2025

    West branch of DuPage river at Beecher Rd, Winfield by Chris Thomson

  • 20 May 2025

    Lake of the Woods Forest Preserve by Bruce M Colravy

  • 20 May 2025

    Blackberry Creek Hannaford Woods FP by Jenna Heller

  • 19 May 2025

    River Bend Forest Preserve site by Bruce M Colravy

  • 19 May 2025

    Thunderbird Trail Crossing of Kline Creek by David Bohnsack

  • 19 May 2025

    Lies Road Crossing of Kline Creek by David Bohnsack

  • 19 May 2025

    Watson Creek - Inflow to East Lagoon at Montgomery to Faraday pedestrian bridge by WILLIAM MARTIN

  • 19 May 2025

    South Branch Kishwaukee River at College Ave. by WILLIAM MARTIN

  • 19 May 2025

    St. Joseph's Creek @ 59th & Williams Street by Jon Yeater