Dataset

Winter Chloride Watch

Dataset summary

Observations

18 December 2025

Prentiss Creek at Prentiss Street

5 parameters tested

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

17 December 2025

Mill Creek at bike trail bridge

13 parameters tested

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

17 December 2025

Ferson Creek Park

13 parameters tested

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

17 December 2025

Kenyon Woods Forest Preserve

6 parameters tested

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

17 December 2025

Springbrook Creek @ N Circle Ave, Bloomingdale

10 parameters tested

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

17 December 2025

Springbrook Creek @ S Maple Ave, Itasca

11 parameters tested

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

17 December 2025

Canal Origins Park

12 parameters tested

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

17 December 2025

Legion Park-NSCP

7 parameters tested

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

16 December 2025

Salt Creek

9 parameters tested

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

16 December 2025

River Park Boathouse

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

16 December 2025

Creek under Fairmount Ave, east side of bridge

13 parameters tested

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

16 December 2025

Boneyard Creek just south of the corner of Springfield Ave and Second St

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

16 December 2025

Otter Creek

11 parameters tested

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

13 December 2025

Spring Creek at Anderson Gardens

12 parameters tested

algae, 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

13 December 2025

Big Hollow Creek in Iris Park

13 parameters tested

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

12 December 2025

Fox River

4 parameters tested

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

12 December 2025

Jon Duerr Forest Preserve Fox River

6 parameters tested

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

12 December 2025

Nippersink Creek at the Keystone Landing in McHenry County Conservation District's Glacial Park Conservation Area

13 parameters tested

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

12 December 2025

Oswego

8 parameters tested

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

12 December 2025

Chicago River North Branch Goose Island

4 parameters tested

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