Waterlands
Chehalis River
USGS · 12027500
CHEHALIS RIVER
USGS · 12027500LIVE

CHEHALIS RIVER NEAR GRAND MOUND, WA

THURSTON COUNTY, WA46.7759°N, -123.0357°W Updated 1 hr ago
FLOW RATE
246cfs
GAUGE HT
128.86ft
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 YEAR
246cfs 2.8% vs avg
Optimal band: 1,042–1,410 cfs
PERIOD HIGH
31,591cfs
PERIOD LOW
146cfs
RUNNABLE
5%
last 1 year in band

Gauge Height

128.86ft
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Station Location

46.7759, -123.0357
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DATA · USGS · NOAA · NWSUPDATED 2026-10-17 00:00 UTC
Site #12027500·USGS

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