Dataset

Winter Chloride Watch

Dataset summary

Observations

13 February 2026

Sangamon River Forest Preserve site

16 parameters tested

ice on, air temperature, algae, chloride, clarity, colour, current weather, flow, odour, water surface, ph, weather in the past 24hrs, secchi depth (clarity), water level, water temperature, water use

13 February 2026

Lake of the Woods Forest Preserve

15 parameters tested

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

13 February 2026

River Bend Forest Preserve site

14 parameters tested

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

12 February 2026

Wigwam Hollow Creek, beside Indian Trail St, Macomb.

6 parameters tested

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

12 February 2026

Killjordan creek

7 parameters tested

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

12 February 2026

Timber Trails Park pond

4 parameters tested

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

12 February 2026

Oswego

3 parameters tested

chloride, current weather, weather in the past 24hrs

12 February 2026

Joliet, IL

8 parameters tested

ice on, chloride, current weather, current weather description, water surface, weather in the past 24hrs, weather in the past 24hrs description, water level

12 February 2026

McKee Creek

7 parameters tested

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

11 February 2026

Mitchell Lake

5 parameters tested

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

11 February 2026

Forest Preserves of Cook County - Kickapoo Woods

5 parameters tested

ice on, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description

11 February 2026

Kickapoo Creek at Leslie Rutherford Park

14 parameters tested

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

11 February 2026

Forest Preserves of Cook County - Burnham, Illinois

5 parameters tested

ice on, current weather, current weather description, weather in the past 24hrs, weather in the past 24hrs description

11 February 2026

Salt Creek (26th St Woods)

13 parameters tested

ice on, 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

10 February 2026

Kickapoo Creek Park, 2000 N. Jefferson St., Lincoln, IL pedestrian bridge on park road

9 parameters tested

air temperature, chloride, clarity, conductivity, current weather, water surface, ph, weather in the past 24hrs, water temperature

10 February 2026

Hill Ave Bridge

10 parameters tested

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

10 February 2026

Richland Creek @ South Side City Park

12 parameters tested

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

10 February 2026

Spring Creek- RVC Amphitheater

23 parameters tested

ice on, air temperature, algae, ammonia, chloride, clarity, colour, current weather, current weather description, nitrate-nitrogen, nitrate, odour, water surface, oxygen, ph, pollution sources, weather in the past 24hrs, weather in the past 24hrs description, secchi depth (clarity), water depth, water level, water temperature, water use

10 February 2026

Schoenberger Creek at West Belleville Bikeway

11 parameters tested

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

10 February 2026

Rock Run 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