Dataset

Winter Chloride Watch

Dataset summary

Observations

23 February 2026

Fox River

5 parameters tested

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

23 February 2026

Salt Creek

6 parameters tested

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

23 February 2026

DuPage River at Riverwalk South Covered Bridge

12 parameters tested

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

22 February 2026

Ferson Creek Park

16 parameters tested

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

22 February 2026

Yorkville- bicentennial riverfront park

9 parameters tested

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

22 February 2026

Blackberry Creek Forest Preserve

3 parameters tested

chloride, current weather, weather in the past 24hrs

22 February 2026

Isle la Cache Canoe Launch

3 parameters tested

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

22 February 2026

Big Rock Forest Preserve

3 parameters tested

chloride, current weather, weather in the past 24hrs

22 February 2026

East Branch DuPage River at East Branch Forest Preserve

4 parameters tested

air temperature, chloride, current weather, water level

22 February 2026

Old Grove Pond

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

22 February 2026

Lombard Lagoon

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

21 February 2026

Lemont

6 parameters tested

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

21 February 2026

Chicago River North Branch Goose Island

5 parameters tested

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

21 February 2026

Hickory Creek River at Highland Park Drive

13 parameters tested

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

21 February 2026

Terrace View Park Pond in Lombard, IL

6 parameters tested

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

21 February 2026

South of Kaneville

7 parameters tested

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

20 February 2026

Spring Brook in St. James Farm Forest Preserve

5 parameters tested

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