River WA

Chilliwack River

Washington • 48.9209, -121.4443

Length

53 mi

85 km

Elevation

4,427′ → 111′

4,315 ft drop

Stream Order

7

Large River

Slope

1.54%

81.5 ft/mi

Drainage

473 mi²

1,224 km²

Avg Flow

-- cfs

1.8 mph velocity

Path to Mouth

63 mi

101 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