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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 1975-10-05 2020-07-15
Inorganics, Major, Metals Water-quality 1973-08-27 1975-05-20
Inorganics, Major, Non-metals Water-quality 1973-08-21 1978-09-20
Inorganics, Minor, metals Water-quality 1973-08-27 1975-05-20
Microbiological Water-quality 1974-04-16 1974-06-25
Nutrient Water-quality 1973-06-14 1978-08-04
Organics, other Water-quality 1973-08-21 1978-08-04
Physical Daily Values, Unit Values, Water-quality 1972-10-01 2024-11-21
Population/Community Water-quality 1975-10-05 1975-10-05
Sediment Water-quality 1973-04-06 1978-08-04
n/a Peak Measurements 1973-05-16 2023-05-21
n/a Site Visits 1972-09-17 2024-10-08
n/a USGS Annual Water Data Reports Site 2007-01-01 2024-01-01
Water Data for the Nation inventory

Monitoring location 15200280 is associated with a Stream in Valdez-Cordova Census Area, Alaska. Current conditions of Discharge, Gage height, and Temperature are available. Water data back to 1972 are available online.

The elevation of this station has been determined to be 1852.1 feet above NAVD 1988. To obtain stream water-surface elevation values in NAVD 1988 add 1852.1 feet to gage height values.
Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
15200280 n/a
Site name
GULKANA R AT SOURDOUGH AK n/a
Site type
Stream
ST
DMS latitude 623115 n/a
DMS longitude 1453151 n/a
Decimal latitude 62.5203918 n/a
Decimal longitude -145.5330154 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Accurate to + or - 10 sec. T
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
Valdez-Cordova Census Area 261
Country US n/a
Land net location description NESENES35 T009N R002W C n/a
Name of location map GULKANA C-4 n/a
Scale of location map 63360 n/a
Altitude of Gage/land surface 1852.1 feet n/a
Method altitude determined Survey-grade GPSF F
Altitude accuracy .1 feet n/a
Altitude datum
North American Vertical Datum of 1988 NAVD88
Subbasin hydrologic unit
19020102
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site YNNNYNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
1760 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
Data have been checked by the reporting agency. C
Data-other GW files NYNNNNNN 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

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logo for USGS - Federal Priority Streamgages
USGS - Federal Priority Streamgages