Available data

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3 data types available - data from 1989-10-01 to 2026-08-06

4 data types available - data from 1952-02-01 to 2026-08-04

2 data types available - data from 1952-02-05 to 2026-07-13

261 Observed properties (data types) available - with data from 1959-10-01 to 2021-02-22

628 Sampling activities

2 data types available - with data from 1947-01-26 to 2025-02-27

4 data types available - data from 1952-02-01 to 2026-08-04

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	12031000	n/a
Location name	CHEHALIS RIVER AT PORTER, WA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	46.9392637524791	n/a
Decimal longitude (WGS84)	-123.314319367029	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	Grays Harbor County	027
Country	United States of America	n/a
Altitude of gage/land surface	0	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	5 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Upper Chehalis	17100103
Drainage basin		n/a
Date of first construction		n/a
Drainage area	1294 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