Waterlands
Cowlitz River
USGS · 14243000
COWLITZ RIVER
USGS · 14243000LIVE

COWLITZ RIVER AT CASTLE ROCK, WA

COWLITZ COUNTY, WA46.2748°N, -122.9146°W Updated 12 hr ago
FLOW RATE
2,824cfs
GAUGE HT
33.23ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
2,824cfs 1.4% vs avg
Optimal band: 5,401–7,307 cfs
PERIOD HIGH
53,904cfs
PERIOD LOW
2,584cfs
RUNNABLE
15%
last 1 year in band

Gauge Height

33.23ft

Water Turbidity

Precipitation History
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Station Location

46.2748, -122.9146
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DATA · USGS · NOAA · NWSUPDATED 2026-07-12 00:00 UTC
Site #14243000·USGS

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