Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 17 November 2024

    Oakhurst Forest Preserve South Shore Dock by DL Dosado

    Duplicate test strip: 4.0 quantab = 158 ppm

  • 17 November 2024

    Mill Creek at bike trail bridge by Rod Allen

    River flow data from USGS station located about 1 mile upstream.

  • 17 November 2024

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

  • 16 November 2024

    Morgan Creek at Morgan Creek Park by Alyssa Theodor

    Beavers are very active cutting down small trees along the water's edge to build a dam. I had not see any evidence of beavers here prior to this fall.

  • 16 November 2024

    Ferson Creek at LeRoy Oakes FP Bridge by Jim Baum

    Nothing outstanding. Gray day. No rain.

  • 16 November 2024

    Terrace View Park Pond in Lombard, IL by Tony Ream

    Chloride is slightly lower than this time last year. Lots of ducks hanging out where I take my sample.

  • 16 November 2024

    North Branch Chicago River at W Devon Avenue by Daniel Downes