Dataset

Winter Chloride Watch

Dataset summary

Observations

20 February 2026

Blackberry Creek at Barnes Forest Preserve

10 parameters tested

air temperature, algae, chlorine, colour, current weather, current weather description, water surface, weather in the past 24hrs, weather in the past 24hrs description, water level

20 February 2026

Dean Nature Sanctuary

16 parameters tested

ice on, air temperature, algae, chloride, clarity, colour, current weather, current weather description, odour, water surface, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, water depth, water level, water use

19 February 2026

Fullersburg FP - Graue Mill Canoe / Kayak launch

12 parameters tested

ice on, air temperature, algae, chloride, clarity, colour, current weather, odour, water surface, weather in the past 24hrs, water level, water temperature

19 February 2026

West branch of DuPage river at Beecher Rd, Winfield

5 parameters tested

ice on, air temperature, chloride, current weather, weather in the past 24hrs

19 February 2026

Pioneer Park

3 parameters tested

chloride, current weather, weather in the past 24hrs

19 February 2026

Canoe Launch

5 parameters tested

chloride, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description

19 February 2026

Des Plaines River from Des Plaines Riverways DuPage FPD

13 parameters tested

ice on, air temperature, algae, chloride, clarity, colour, current weather, odour, water surface, weather in the past 24hrs, water level, water temperature, water use

18 February 2026

Rogers St.

10 parameters tested

ice on, air temperature, chloride, current weather, current weather description, water surface, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, water level

18 February 2026

Ferson Creek Park, Route 31, Saint Charles, IL

6 parameters tested

air temperature, chloride, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description

18 February 2026

Inflow to East Lagoon at Montgomery to Faraday pedestrian bridge

8 parameters tested

air temperature, chloride, current weather, current weather description, ph, weather in the past 24hrs, weather in the past 24hrs description, water temperature

18 February 2026

Winding Creek

12 parameters tested

ice on, air temperature, algae, chlorine, clarity, colour, current weather, current weather description, odour, pollution sources, weather in the past 24hrs, water level

18 February 2026

South Branch Kishwaukee River at College Ave.

11 parameters tested

ice on, air temperature, chloride, current weather, current weather description, ph, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water level, water temperature

18 February 2026

Glen Crest Creek - Lincoln Hill

11 parameters tested

air temperature, chloride, clarity, colour, current weather, current weather description, water surface, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water level

18 February 2026

Round Meadow Lake

9 parameters tested

ice on, air temperature, chloride, colour, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description, water level

18 February 2026

Tyler Creek Forest Preserve

15 parameters tested

ice on, air temperature, algae, chloride, clarity, colour, current weather, current weather description, odour, water surface, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, water level, water use

18 February 2026

Fox River at Route 120 bridge in McHenry

12 parameters tested

ice on, air temperature, algae, chlorine, clarity, colour, current weather, odour, water surface, weather in the past 24hrs description, secchi depth (clarity), water level

18 February 2026

Boone Creek at Riverwalk Park

9 parameters tested

ice on, air temperature, algae, chlorine, clarity, current weather, odour, water surface, weather in the past 24hrs description

18 February 2026

Brookbank Rd bridge over St. Joseph creek in Downers Grove.

9 parameters tested

ice on, air temperature, chloride, current weather, current weather description, water surface, pollution sources, weather in the past 24hrs, weather in the past 24hrs description

18 February 2026

East Branch Poplar Creek

15 parameters tested

ice on, air temperature, algae, chloride, clarity, colour, current weather, current weather description, odour, water surface, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, water level, water use