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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 >  R10OEA >  R10OEA-NLA12_WA-118

Ravensdale Lake (R10OEA-NLA12_WA-118) site data in the Water Quality Portal

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

This lake site, maintained by the EPA Region 10 Office of Environmental Assessment (identifier R10OEA), has the name "Ravensdale Lake" and has the identifier R10OEA-NLA12_WA-118. 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 47.3508978500 degrees latitude and -121.9925643000 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 "R10OEA-NLA12_WA-118" 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, Fish 2012 - 2012
Inorganics, Minor, Metals 2012 - 2012
Physical 2012 - 2012
*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 R10OEA
OrganizationFormalName EPA Region 10 Office of Environmental Assessment
MonitoringLocationIdentifier R10OEA-NLA12_WA-118
MonitoringLocationName Ravensdale Lake
MonitoringLocationTypeName Lake
HUCEightDigitCode 17110013
LatitudeMeasure 47.3508978500
LongitudeMeasure -121.9925643000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 53
CountyCode 033
ProviderName STORET