Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 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

    Raab Road Retention Basin by Katie Vogler

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

  • 3 December 2025

    Ewing Park II Sugar Creek Monitoring Site by Katie Vogler

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

  • 3 December 2025

    Bradford Lane Retention Basin #2 by Katie Vogler

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

  • 3 December 2025

    Bradford Lane Retention Basin #1 by Katie Vogler

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

  • 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

  • 3 December 2025

    Fairview Park Sugar Creek Stewards Monitoring Site by Katie Vogler

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

  • 2 December 2025

    Arbor Lake at Morton Arb by Linda Heuser

    Arbor Lake results, Arbor Lake site

  • 2 December 2025

    Schulenberg Prairie-Willoway Brook by Linda Heuser

    Willoway results & site

  • 1 December 2025

    Harry J. Wolf by Harry Wolf

    Photo #1 downstream at monitoring site Photo #2 upstream at monitoring site. Photo #3 recorded chloride data. Note: Pollution source I noted (urban/road discharge) is approximately 1 mile upstream.

  • 1 December 2025

    DuPage River at Riverwalk South Covered Bridge by Shelley Birdsong

    Purposefully came before snow and few days ago and now after first major storm. Confirmed guess that ppm would be elevated.

  • 1 December 2025

    Thunderbird Trail Crossing of Kline Creek by David Bohnsack

  • 1 December 2025

    Fox River by Nick Longo

    Sampled from the south end, east side of the bridge. Wasn't safe to sample from ledge with accumulated snow (in second photo) as previous sampler did. Was still in close vicinity.

  • 1 December 2025

    Bliss Woods -Blackberry Creek by Nick Longo

    Duplicate taken. Slightly below original. Original test strip seemed to drift up during second test so included both photos of test cards.

  • 30 November 2025

    River Grove at Grand Ave by Erika Street Hopman

    7.0 Quantab units, 469 ppm, plows going by while I was there

  • 30 November 2025

    Westernmost bridge in Dunning Read Natural Area Park by Erika Street Hopman

    8.6 Quantab units so greater than 622 ppm, but off conversion chart

  • 30 November 2025

    Creek at Merry Meadows by James Weiss

    Still water. Lots of leaf debris. Less than 29 ppm cloride