USGS 12025000 NEWAUKUM RIVER NEAR CHEHALIS, WA
Location.--Latitude 46°37'13", Longitude
122°56'38", in SW 1/4 SW 1/4 Section 9, Township 13 North,
Range 2 West, in Lewis County, Hydrologic Unit 17100103, on
left bank 75 ft downstream from bridge, 3.0 miles southeast of
Chehalis, and at river mile
area is 155 mi2. Datum of
the gage is NAVD of 1988. Prior to May 8, 2018, datum of the gage was
NVGD of 1929.
this station on a
map of the basin (PDF).
Additional Data and Information.-- Latest shifted
Flood Stage.--The National Weather Service Flood
Stage for this station is 202.5 feet. Lewis County has Flood Phase Information for this
Funding for this site is provided by the
cooperators / programs below:
Gage height datum conversion to
the NAVD88 datum for this streamgage was completed on May 8, 2018.
All reported gage heights and those associated with discharge
measurements and stage-discharge ratings have been converted and
are consistent with elevations based on the NAVD88 datum. A
conversion factor of 191.94 ft was used to convert the old gage
heights to the currently reported instantaneous gage height,
discharge measurement gage heights, and stage-discharge rating
Boating safety tips
This station managed by the Western Washington Field Office (Tacoma).
Summary of all available data for this site
Instantaneous-data availability statement
Most recent instantaneous value: 103 06-04-2023 09:45 PDT
Most recent instantaneous value: 193.07 06-04-2023 09:45 PDT