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WQP Home >  Providers >  STORET >  R10DUWAMISH >  R10DUWAMISH-DMMU 1 - 16216

DMMU 1 - 16216 (R10DUWAMISH-DMMU 1 - 16216) site data in the Water Quality Portal

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

This river/stream site, maintained by the EPA Region 10 Superfund Lower Duwamish Waterway Site (identifier R10DUWAMISH), has the name "DMMU 1 - 16216" and has the identifier R10DUWAMISH-DMMU 1 - 16216. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)17110013.

This site is located in King County County, Washington at 47.5183660000 degrees latitude and -122.3072060000 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 "R10DUWAMISH-DMMU 1 - 16216" 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.

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

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*
Inorganics, Major, Non-metals 2007 - 2007
Inorganics, Minor, Metals 2007 - 2007
Inorganics, Minor, Non-metals 2007 - 2007
Not Assigned 2007 - 2007
Nutrient 2007 - 2007
Organics, Other 2007 - 2007
Organics, PCBs 2007 - 2007
Organics, Pesticide 2007 - 2007
Physical 2007 - 2007
Stable Isotopes 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 R10DUWAMISH
OrganizationFormalName EPA Region 10 Superfund Lower Duwamish Waterway Site
MonitoringLocationIdentifier R10DUWAMISH-DMMU 1 - 16216
MonitoringLocationName DMMU 1 - 16216
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Subsurface Sediment Station, River Mile 4.2
HUCEightDigitCode 17110013
LatitudeMeasure 47.5183660000
LongitudeMeasure -122.3072060000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 53
CountyCode 033
ProviderName STORET