Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 9 January 2026

    Mill Creek at Campton FP by Nick Longo

    Duplicate was slightly lower at 83 ppm chloride.

  • 8 January 2026

    Ferson Creek Park, Route 31, Saint Charles, IL by Patricia Gawrys

  • 8 January 2026

    Springbrook Water Reclamation Center Upstream by Amy Wrigley

    sample was collected before the rain started.

  • 8 January 2026

    Ferson Creek at Randall Road bike trail bridge by Lisa O'Brien

    We have had cold to warm spells since last month with some snowfall and then melt. This month I did the test strip and test test strip to ensure the info was comparable. Note, we now have 2 beaver dams upstream of this collection site.

  • 8 January 2026

    Dry Run Creek in Lower Bradley Park by Robert Rowe

    Creek was extremely low. No water at all flowing in main part of creek.

  • 7 January 2026

    River Park Boathouse by Susanna Lang

    Nothing unusual--a lot of hopeful mallards.

  • 7 January 2026

    Turnmill Pond - Smythe Settlement by Steve Slivka

    Moved test site to area where pond drains into culvert. Previous test site was too close to shore and produced high chloride levels that didn't accurately reflect overall chloride levels for the pond.

  • 7 January 2026

    Army Trail West Pond - Smythe Settlement by Steve Slivka

  • 7 January 2026

    Trinity South Pond - Smythe Settlement by Steve Slivka

  • 6 January 2026

    Schoenberger Creek at West Belleville Bikeway by David Laslie