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
Partial ice coverage. Chloride <32 mg/L
Chloride was under 32 ppm
<30 ppm
Chloride less than 30ppm
Chloride <30ppm