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WQP Home >  Providers >  NWIS >  USGS-AK >  USGS-15439800

BOULDER C NR CENTRAL AK (USGS-15439800) site data in the Water Quality Portal

Data Provider: NWIS (Learn more about Water Quality Portal Data Providers)

This stream site, maintained by the USGS Alaska Water Science Center (identifier USGS-AK), has the name "BOULDER C NR CENTRAL AK" and has the identifier USGS-15439800. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)19080401. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 32.4 sq mi.

This site is located in Yukon-Koyukuk Census Area County, Alaska at 65.56769350000000 degrees latitude and -144.8894025000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from Digital MAP." and the accuracy is 1 seconds. The source map scale is 1:63360. This site is at an elevation of 1060.00 feet and the accuracy of the elevation measurement, collected using the method "Reported method of determination." is 50 feet. The vertical coordinate reference system is NGVD29.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-15439800" into the "Site ID" box under Site Parameters

What other monitoring locations are upstream or downstream from this one?

Upstream and downstream locations

This map shows all Water Quality Portal stations that are 10 miles upstream (dashed dark blue) and 10 miles downstream (solid light blue) of this monitoring location (indicated by the large blue circle). The upstream and downstream functionality is provided by the Network Linked Data Index.

When were data collected at this location?

Periods of record for data characteristic groups

For a more detailed breakdown of data, go to the Monitoring Report at the EPA How's My Waterway Application
Characteristic Group Date Range*
Information 1969 - 1972
Inorganics, Major, Metals 1969 - 1972
Inorganics, Major, Non-metals 1969 - 1975
Inorganics, Minor, Metals 1969 - 1972
Nutrient 1969 - 1972
Physical 1967 - 1975
Sediment 1967 - 1971
*Date ranges may contain gap years

What other information is available for this location?

Detailed Metadata

For the definitions of the metadata elements, please go to the Water Quality Portal user guide

Location Metadata Value
OrganizationIdentifier USGS-AK
OrganizationFormalName USGS Alaska Water Science Center
MonitoringLocationIdentifier USGS-15439800
MonitoringLocationName BOULDER C NR CENTRAL AK
MonitoringLocationTypeName Stream
HUCEightDigitCode 19080401
DrainageAreaMeasure/MeasureValue 32.4
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 65.56769350000000
LongitudeMeasure -144.8894025000000
SourceMapScaleNumeric 63360
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from Digital MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 1060.00
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 50
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Reported method of determination.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 02
CountyCode 290
ProviderName NWIS