![](https://cdn.waterrangers.ca/attachments/b78351e7c33143b16087a9929beb8bbce5827c24/store/fill/300/300/fb078d9feaf90453a1ac413df6b5c5e5b5bdd2c3095c6cef32db715724ce/AC7DE7E7-4673-4AA6-A1EB-21685ED2CF34.jpg)
North Branch Chicago River
Chicago, Illinois, United States
41.990 N, 87.772 W
At Peterson (6000N) and Menard (5800 W)
![](https://cdn.waterrangers.ca/attachments/a62eb2385ae0f8220630a930c904875538e84e97/store/fill/150/150/0e4475018a6ac830620be6afe6e186b9aac286d5c6ea133e40776ca84619/85019EDA-7A81-40B0-8702-E1A9CF642194.jpg)
Location created by
Alan Matson
- Group: Winter Chloride Watchers
- Site ID: R 0211620
- Lat: 41.9901029
- Lng: -87.7718568
- Waterbody Type: River
- Timezone: America/Chicago
Latest photos
View all photosObservation tests summary
Air temperature
°C
13.3
Latest
2.3
Average
Water temperature
°C
11.5
Latest
4.4
Average
Chloride
ppm
195.0
Latest
234.5
Average
Ice On
- 2022-12-24
Ice Off
- 2023-03-02
- 2023-01-14