<a href="https://www.usgs.gov/centers/alaska-science-center/science/usgs-alaska-streamgage-datum-north-american-vertical-datum">USGS Alaska Streamgage Datum to North American Vertical Datum of 1988 Conversion Table</a>

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Available data

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Continuous data

2 data types available - data from 2023-05-18 to 2026-08-01

Daily data

1 data types available - data from 1948-09-15 to 1957-09-30

Field measurements

2 data types available - data from 2004-06-09 to 2026-05-14

Discrete sample data

54 Observed properties (data types) available - with data from 1948-10-03 to 1979-06-20

142 Sampling activities

Statistical tables for select daily data types

1 data types available - data from 1948-09-15 to 1957-09-30

Location details and information

Available location images

Tanana River at Big Delta

Tanana River at Big Delta, pier 3 Bridge 524 Richardson Highway.

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	15478000	n/a
Location name	TANANA R AT BIG DELTA AK	n/a
Site type	Stream	ST
Decimal latitude (WGS84)	64.155128	n/a
Decimal longitude (WGS84)	-145.852353	n/a
Latitude-longitude method	Interpolated from digital map	N
Latitude-longitude accuracy	Accurate to + or - 10 sec.	T
District	Alaska	02
State	Alaska	02
County	Southeast Fairbanks Census Area	240
Country	United States of America	n/a
Altitude of gage/land surface	5.7 feet	n/a
Method altitude determined	GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System	X
Altitude accuracy	0.1 feet	n/a
Altitude datum	North American Vertical Datum of 1988	NAVD88
Subbasin hydrologic unit	Delta River	19080304
Drainage basin		n/a
Date of first construction		n/a
Drainage area	13470 square miles	n/a
Contributing drainage area		n/a
Time zone abbreviation	AKST	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

Monitoring location Tanana R at Big Delta AK - USGS-15478000