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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.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Information Water-quality 1950-08-22 1997-06-10
Inorganics, Major, Metals Water-quality 1950-08-22 1997-06-10
Inorganics, Major, Non-metals Water-quality 1950-08-22 1997-06-10
Inorganics, Minor, Non-metals Water-quality 1997-06-10 1997-06-10
Inorganics, Minor, metals Water-quality 1950-08-22 1997-06-10
Nutrient Water-quality 1950-08-22 1997-06-10
Organics, PCBs Water-quality 1997-06-10 1997-06-10
Organics, other Water-quality 1997-06-10 1997-06-10
Organics, pesticide Water-quality 1997-06-10 1997-06-10
Physical Daily Values, Unit Values, Water-quality 1950-08-22 2024-11-09
Radiochemistry Water-quality 1971-03-19 1997-06-10
Sediment Water-quality 1967-05-28 1997-06-10
n/a Peak Measurements 1963-08-28 1973-08-25
n/a Site Visits 1963-07-13 2024-07-16
Water Data for the Nation inventory

Monitoring location 15303600 is associated with a Stream in Yukon-Koyukuk Census Area, Alaska. Water data back to 1950 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
15303600 n/a
Site name
KUSKOKWIM R AT MCGRATH AK n/a
Site type
Stream
ST
DMS latitude 625710 n/a
DMS longitude 1553511 n/a
Decimal latitude 62.9521517 n/a
Decimal longitude -155.5887347 n/a
Latitude-longitude method
Interpolated from MAP. M
Latitude-longitude accuracy
Unknown or unspecified. U
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 n/a
Scale of location map n/a
Altitude of Gage/land surface 300 feet n/a
Method altitude determined Interpolated from topographic map. M
Altitude accuracy 50 feet n/a
Altitude datum
National Geodetic Vertical Datum of 1929 NGVD29
Subbasin hydrologic unit
19030405
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNYNNNNNYNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried n/a
Drainage area
11560 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