Available data

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2 data types available - data from 1951-02-08 to 2026-08-06

2 data types available - data from 1934-04-01 to 2026-08-04

2 data types available - data from 1946-05-27 to 2026-07-15

4 Observed properties (data types) available - with data from 1976-09-21 to 1980-09-16

37 Sampling activities

2 data types available - with data from 1911-11-19 to 2025-04-02

2 data types available - data from 1934-04-01 to 2026-08-04

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	14238000	n/a
Location name	COWLITZ RIVER BELOW MAYFIELD DAM, WA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	46.5103852588095	n/a
Decimal longitude (WGS84)	-122.616224022869	n/a
Latitude-longitude method	Interpolated from map	M
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Washington	53
State	Washington	53
County	Lewis County	041
Country	United States of America	n/a
Altitude of gage/land surface	226.6 feet	n/a
Method altitude determined	Interpolated from topographic map.	M
Altitude accuracy	10 feet	n/a
Altitude datum	National Geodetic Vertical Datum of 1929	NGVD29
Subbasin hydrologic unit	Lower Cowlitz	17080005
Drainage basin		n/a
Date of first construction		n/a
Drainage area	1400 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	PST	n/a
Site honors Daylight Saving Time	Y	n/a
National aquifer		n/a
Local aquifer		n/a
Local aquifer type		n/a
Well depth		n/a
Hole depth		n/a
Source of depth data		n/a