Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

WQP Home >  Providers >  STORET >  AKDECAKMAP >  AKDECAKMAP-AKALE07-0018

Umak Pass - AKALE07-0018 (AKDECAKMAP-AKALE07-0018) site data in the Water Quality Portal

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

This ocean site, maintained by the Alaska Monitoring and Assessment Program (identifier AKDECAKMAP), has the name "Umak Pass - AKALE07-0018" and has the identifier AKDECAKMAP-AKALE07-0018.

This site is located in Aleutians West Census Area County, Alaska at 51.8670100000 degrees latitude and -176.1532700000 degrees longitude using the datum NAD83. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "AKDECAKMAP-AKALE07-0018" 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*
Biological 2007 - 2007
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2007 - 2007
Biological, Counts 2007 - 2007
Information 2007 - 2007
Not Assigned 2007 - 2007
Organics, Other 2007 - 2007
Organics, PCBs 2007 - 2007
Organics, Pesticide 2007 - 2007
Physical 2007 - 2007
Physical, Habitat 2007 - 2007
Radiochemical 2007 - 2007
*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 AKDECAKMAP
OrganizationFormalName Alaska Monitoring and Assessment Program
MonitoringLocationIdentifier AKDECAKMAP-AKALE07-0018
MonitoringLocationName Umak Pass - AKALE07-0018
MonitoringLocationTypeName Ocean
MonitoringLocationDescriptionText This site was located in the north side of Little Tanaga Island, in Umak Pass. The substrate was mixed cobble and boulder encrusted with coralline alga (Lithothamnion sp.). Bottom temperature was 6 C at 55 ft. Visibility was good, with about 60+ ft. There was no current or swell since the timing was at low tide. The dominant alga was Agarum turneri and Codium ritteri. The dominant animals were Podocesmus macrochisma and Strongylocentrotus sp. Two octopi were seen here, off transect. Fish taken include 1 yellow Irish lord (Hemilepidotus jordani), 1 red Irish lord (Hemilepidotus hemilepidotus) and 1 female rock greenling (Hexagrammos lagocephalus).
LatitudeMeasure 51.8670100000
LongitudeMeasure -176.1532700000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 02
CountyCode 016
ProviderName STORET