Waterlands
Tualatin River
USGS · 14203500
TUALATIN RIVER
USGS · 14203500LIVE

TUALATIN RIVER NEAR DILLEY, OR

WASHINGTON COUNTY, OR45.4748°N, -123.1243°W Updated 18 hr ago
FLOW RATE
202cfs
Flow Rate Historical Avg
MEDIAN FLOW RATE · 30 DAY
202cfs 4.7% vs avg
Optimal band: 162–218 cfs
PERIOD HIGH
218cfs
PERIOD LOW
155cfs
RUNNABLE
94%
last 30 day in band
Precipitation History
Your History · TUALATIN RIVER NEAR DILLEY, OR

Track your history

Sign in to track your sessions at TUALATIN RIVER NEAR DILLEY, OR — best days, monthly trends, and time on the water.

Sign in
SPONSORED

Station Location

45.4748, -123.1243
Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #14203500·USGS

Create a free account to save favorites, set flow alerts, and track conditions

Sign up free