Available data

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2 data types available - data from 1989-10-01 to 2026-08-22

2 data types available - data from 1904-05-01 to 2026-08-20

3 data types available - data from 1907-06-03 to 2026-08-10

270 Observed properties (data types) available - with data from 1975-03-12 to 2004-07-26

146 Sampling activities

2 data types available - with data from 1908-03-16 to 2023-05-17

2 data types available - data from 1904-05-01 to 2026-08-20

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	12502500	n/a
Location name	AHTANUM CREEK AT UNION GAP, WA	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	46.5359603799487	n/a
Decimal longitude (WGS84)	-120.473396808339	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	Yakima County	077
Country	United States of America	n/a
Altitude of gage/land surface	940 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 Yakima	17030003
Drainage basin		n/a
Date of first construction		n/a
Drainage area	173 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