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
Location created by
Annette Marshall
- Group: National Great Rivers : Winter Chloride Watch
- Lat: 39.046302
- Lng: -90.4348714
- Waterbody Type: Creek
- Timezone: America/Chicago
Latest photos
Observation tests summary
Air temperature
°C
-3.3
Latest
4.8
Average
Chloride
ppm
32.0
Latest
24.4
Average
Ice On
Ice Off
- 2025-01-09
- 2024-12-30
- 2024-02-20
- 2024-01-25
- 2024-01-11