Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 15 December 2024

    Apple River in Apple River Canyon State Park by Erik Nichols

    Sample taken ~24 hours after multiple passes of salt truck during a light rain. Reading of 0.0 listed only because the conversion table does not extend low enough for an estimate.

  • 15 December 2024

    Clear Creek, South of E Canyon Rd bridge (downstream) by Erik Nichols

    Measurement of 0.0 mg/L listed because reading is below limit of conversion table. See image. Sample taken ~24 hours after multiple passes of salt truck during a light rain.

  • 15 December 2024

    West Branch Du Page River by Lawrence Hjorth

    The water sample was taken from the south side of the Ogden Avenue bridge using a bucket and rope.

  • 15 December 2024

    Kishwaukee River South Branch at Russell Woods by Rachel Ford

  • 15 December 2024

    Terrace View Park Pond in Lombard, IL by Tony Ream

    No snow or salting has been done yet this year. The pond was partially frozen due to some really cold weather just recently.

  • 15 December 2024

    Bourbonnais Creek Upstream by ONU Earth & Space Sciences River Keepers

    light rain for past ~18 hrs, creek no longer frozen, water flowing well from both pipes

  • 15 December 2024

    East Branch DuPage River at East Branch Forest Preserve by Ralph Watkins

  • 14 December 2024

    Hickory Creek River at Highland Park Drive by Kathy Janik

    control test QT=4.8 / PPM=226

  • 14 December 2024

    West Branch DuPage River at Naperville Riverwalk by Amy Phillips

    Water partially iced over

  • 13 December 2024

    Fox River-Route 14 by Anna Niedzinski

    Very cold at the site, performed testing in warm car. There was ice on the water, with plenty of open areas to collect a sample. Wet rope, used to haul water, froze to the bridge.

  • 13 December 2024

    Flint Creek-Grassy Lake Forest Preserve Trail Bridge by Anna Niedzinski

    Very cold today. Test strip was in sample for 10 minutes and black bar did not appear. Took sample with strip back to warm car, the top of the strip turned black within 5 minutes.

  • 13 December 2024

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

    Chloride levels were above the Quantab testing strip. It was at 9.0 units.

  • 13 December 2024

    Fairview Park Sugar Creek Stewards Monitoring Site by Katie Vogler

  • 11 December 2024

    Bourbonnais Creek Upstream by ONU Earth & Space Sciences River Keepers