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New WQX 3.0 profiles are available at waterqualitydata.us/beta/. These profiles will contain recent USGS data added since March 11, 2024, which marks the beginning of limited accessibility for USGS data. Read more about the 3.0 profiles and associated changes here. This user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  21AKBCH >  21AKBCH-AK508635

Ketchikan - Thomas Basin (21AKBCH-AK508635) site data in the Water Quality Portal

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

This beach program site-ocean site, maintained by the Alaska Department of Environmental Conservation (BEACH) (identifier 21AKBCH), has the name "Ketchikan - Thomas Basin" and has the identifier 21AKBCH-AK508635. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)19010102.

This site is located in Ketchikan Gateway Borough County, Alaska at 55.3412500000 degrees latitude and -131.6417900000 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 "21AKBCH-AK508635" 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*
Microbiological 2017 - 2022
Physical 2017 - 2022
*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 21AKBCH
OrganizationFormalName Alaska Department of Environmental Conservation (BEACH)
MonitoringLocationIdentifier 21AKBCH-AK508635
MonitoringLocationName Ketchikan - Thomas Basin
MonitoringLocationTypeName BEACH Program Site-Ocean
MonitoringLocationDescriptionText Beacon Monitoring Location
HUCEightDigitCode 19010102
LatitudeMeasure 55.3412500000
LongitudeMeasure -131.6417900000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 02
CountyCode 130
ProviderName STORET