Dataset

Winter Chloride Watch

Dataset summary

Observations

18 May 2026

Jefferson Ave Bridge, Naperville, West Branch DuPage River

4 parameters tested

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

18 May 2026

Spring Brook Creek; Blackwell Forest Preserve

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 level, water temperature, water use

18 May 2026

Downers Grove

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 level, water temperature, water use

18 May 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 May 2026

Creek under Fairmount Ave, east side of bridge

14 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, water use

18 May 2026

Rogers St.

14 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, water use

18 May 2026

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

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

18 May 2026

Long Run Creek - Homer Glen, IL

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 May 2026

Schulenberg Prairie-Willoway Brook

7 parameters tested

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

17 May 2026

West Branch DuPage River

2 parameters tested

air temperature, chloride

17 May 2026

Herrick Lake

3 parameters tested

air temperature, chloride, current weather

17 May 2026

Blackwell Forest Preserve Silver Lake

4 parameters tested

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

17 May 2026

Big Rock Forest Preserve

3 parameters tested

chloride, current weather, weather in the past 24hrs

17 May 2026

East Branch DuPage River at East Branch Forest Preserve

4 parameters tested

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

16 May 2026

River Bend Forest Preserve site

15 parameters tested

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

16 May 2026

West bridge, Winfield Creek, Northside Park

12 parameters tested

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

16 May 2026

Lake of the Woods Forest Preserve

16 parameters tested

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

16 May 2026

Sangamon River Forest Preserve

15 parameters tested

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

16 May 2026

Gartside Creek at Queen of Peace

16 parameters tested

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

16 May 2026

Ferson Creek at LeRoy Oakes FP Bridge

7 parameters tested

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