![](https://cdn.waterrangers.ca/attachments/a1fe052c7da5fb10543b24acc60e868884e0aa53/store/fill/300/300/dec067cf44285aa0f5699aae2d0b98b53f21f93d5c073004c86ee92d4aac/Yates_South+Creek+Bridge.jpg)
Otter Creek, South Fork
Grafton, Illinois, United States
South Fork of Otter Creek west of Otterville. Slow flowing current. Observations taken from Yates Road Bridge
![](https://cdn.waterrangers.ca/assets/default-150x150-cd282e9606eb9f82711bac32876e2d0e601ded2e263f562808e560a6eda4e0ea.jpg)
Location created by
Annette Marshall
- Group: Winter Chloride Watchers
- Lat: 39.046302
- Lng: -90.4348714
- Waterbody Type: Creek
- Timezone: America/Chicago
Latest photos
Observation tests summary
Air temperature
°C
9.4
Latest
6.3
Average
Chloride
ppm
30.0
Latest
30.0
Average
Ice On
Ice Off
- 2024-02-20
- 2024-01-25
- 2024-01-11