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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.

USGS Alaska Streamgage Datum to North American Vertical Datum of 1988 Conversion Table

Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1955-06-02 1974-09-24
Inorganics, Major, Metals Water-quality 1955-06-02 1972-09-20
Inorganics, Major, Non-metals Water-quality 1955-06-02 1978-04-06
Inorganics, Minor, metals Water-quality 1955-06-02 1972-09-20
Nutrient Water-quality 1955-06-02 1972-09-20
Physical Daily Values, Unit Values, Water-quality 1955-06-02 2024-11-21
Radiochemistry Water-quality 1971-03-20 1974-09-24
Sediment Water-quality 1965-07-22 1972-09-20
n/a Peak Measurements 1961-06-09 2023-06-13
n/a Site Visits 1960-01-16 2024-08-28
n/a USGS Annual Water Data Reports Site 2021-01-01 2023-01-01
Water Data for the Nation inventory

Monitoring location 15564900 is associated with a Stream in Yukon-Koyukuk Census Area, Alaska. Current conditions of Discharge and Gage height are available. Water data back to 1955 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
15564900 n/a
Site name
KOYUKUK R AT HUGHES AK n/a
Site type
Stream
ST
DMS latitude 660251 n/a
DMS longitude 1541530 n/a
Decimal latitude 66.046983 n/a
Decimal longitude -154.2610644 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1927 NAD27
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Alaska 02
State
Alaska 02
County
Yukon-Koyukuk Census Area 290
Country US n/a
Land net location description n/a
Name of location map HUGHES A-3 n/a
Scale of location map 63360 n/a
Altitude of Gage/land surface 231.6 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy 0.1 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
19090108
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
17990 square miles n/a
Contributing drainage area n/a
Time Zone abbreviation AKST n/a
Site honors Daylight Saving Time
Y n/a
Data reliability
n/a
Data-other GW files NNNNNNNN 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
Project number n/a