Creek IL

Big Sister Creek

Illinois • 40.4118, -90.0655

Length

12 mi

19 km

Elevation

608′ → 439′

170 ft drop

Stream Order

4

Medium River

Slope

0.28%

14.6 ft/mi

Drainage

33 mi²

86 km²

Avg Flow

-- cfs

0.9 mph velocity

Path to Mouth

1,335 mi

2,148 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

Data from EPA Water Quality Portal (USGS, EPA, state agencies).

EPA WQP MyWaterway

Data from USGS & NOAA for informational purposes only. More