USGS/Cascades Volcano Observatory, Vancouver, Washington

USGS/WRD Monitoring Station

14220500 - Lewis River at Ariel, WA

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Station Information

14220500 - LEWIS RIVER AT ARIEL, WA

Latitude (degrees, minutes, and seconds) ......  455707
Longitude (degrees, minutes, and seconds) .....  1223346
State Code ....................................  53
County Code ...................................  
County Name ...................................  Cowlitz
Basin Name ....................................  Lewis
Hydrologic Unit Code ..........................  17080002  
Drainage Area (square miles) ..................  731
Gage Datum (feet above sea level) .............	 44.0*  

Location ...................... NW/NE Sec.4, T.5 N., R.4 E., on right bank
                                0.4 mi southeast of Ariel, 0.5 mi downstream
                                from Ariel Dam and powerplant, 3.3 mi upstream
                                from Cedar Creek, and at mile 19.0
				(Water-Data Report WA-97-1)


----Period(s) of Record----
July to October 1909 (gage heights only),
July to October 1922,
July 1923 to current year.

 * levels by Pacific Power and Light Co.

 -- Information from Water-Data Report WA-97-1, p.486

Site History and Remarks

July to November 1909, nonrecording gage at site 4 mi upstream at different datum. (Water-Data Report WA-97-1)

July 27 to Oct 29, 1922, and July 31, 1923, to April 20, 1930, nonrecording gages at site 0.5 mi downstream at datums 3.90 ft and 0.90 ft higher respectively, than present datum. Published as "near Ariel" water years 1922-29. Prior to October 1952, discharge measurements made at site 0.5 mi downstream; low discharges not equivalent due to local inflow. (Water-Data Report WA-97-1)

Records good. No diversion upstream from station. Flow regulated by Swift and Yale Reservoirs, and Lake Merwin (stations 14217600, 14218500, 14220000). Chemical analyses July 1959 to June 1960, April 1979 to September 1986. Additional data from April to August 1980 are published in USGS Open-File report 81-1007. Water temperatures October 1950 to September 1963. (Water-Data Report WA-97-1)

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11/25/02, Lyn Topinka