Creek WA

Swem Creek

Washington • 46.6841, -123.3780

Reviewed mapped path Updated Dec 30, 2025

Checking mapped path coverage…

USGS and NOAA data is for informational purposes. Source notes

Length

5 mi

9 km

Elevation

1,677′ → 459′

1,218 ft drop

Stream Order

Medium River

Slope

4.32%

228.1 ft/mi

Drainage

6 mi²

15 km²

Avg Flow

-- cfs

1.1 mph velocity

Path to Mouth

139 mi

224 km to ocean

Classification

Tributary

Mid-reach

Elevation Profile

Water Quality

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

Loading the interactive map…

Data from USGS & NOAA for informational purposes only. Read source and safety notes

Rain Radar