Dataset

Winter Chloride Watch

Dataset by National Great Rivers

Dataset summary

Observations

  • 23 December 2025

    Kenyon Woods Forest Preserve by Michelle Besch

    Smells very moist; lots of melting snow run off

  • 23 December 2025

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

  • 23 December 2025

    Fairview Park Sugar Creek Stewards Monitoring Site by Katie Vogler

    Test results were higher than 7.6/641

  • 23 December 2025

    Fullersburg FP - Graue Mill Canoe / Kayak launch by Kevin Blair

  • 23 December 2025

    Bradford Lane Retention Basin #2 by Katie Vogler

    Test results are higher than 641

  • 23 December 2025

    Bradford Lane Retention Basin #1 by Katie Vogler

    Test results were higher than 641

  • 23 December 2025

    Des Plaines River from Des Plaines Riverways DuPage FPD by Kevin Blair

  • 23 December 2025

    South Branch Kishwaukee River at College Ave. by WILLIAM MARTIN

  • 23 December 2025

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

  • 22 December 2025

    Klein Creek at Fountain View Recreation Center by Brianna Garza

  • 22 December 2025

    Sandy Creek in Elgin Township Wetland preserve by Holly Hudson

    Duplicate Chloride test: 105 PPM. Weather in past month: Significant snowfall of 9 inches over Nov. 28-29, then additional 7 inches snow between Dec. 1-7, followed by several days of unseasonably warm/above freezing daytime temperatures from Dec. 9 to present with some rain. Most of the snow has melted.

  • 22 December 2025

    Dammrich Rowing Center by Margaret (Maggie) Scholle

    First time observing here, lots of goose and duck poop on the dock (wood ducks, mallards, and geese on the water), melting ice on the stairs

  • 21 December 2025

    Riverview Farmstead Preserve Naperville IL South of 111th St & Book Rd by Thomas Cowan

    Water Chloride testing Sunday 12-21-25 1:30pm Weather: 32 degrees full sun & no wind Previous 2 weeks 12” to 14” of snow was completely melted by yesterday 12-20-25. Water sample taken from about 10’ off shore in about 18” deep water River was flowing (no ice)