2018 River Gage information

The Chehalis River Basin Flood Authority has changed the vertical datum

on the following rivers in Lewis County:

1. Chehalis River at Doty

2. Chehalis River at Mellen St. Centralia

3. Skookumchuch Riverat Pearl St. Centralia

4. Newaukum River at Chehalis

The Guage information now reflects the given water level as height above mean sea level.

The information below represents this change. The Conversion information and historic flood crest

history dating back to 1971.

Click here to print 2018 river gage phase comparison chart


Click here to print Lewis County Rivers Flood Crest History



Click below for the

Chehalis River Basin Flood Authority

2018 Chehlais Basin Gage Height Conversion Project