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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 >  11NPSWRD_WQX >  11NPSWRD_WQX-YELL_LS_1007_71

Obsidian Lake 2.5 Km East Nor-Mam Rd Central YNP (11NPSWRD_WQX-YELL_LS_1007_71) site data in the Water Quality Portal

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

This lake site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Obsidian Lake 2.5 Km East Nor-Mam Rd Central YNP" and has the identifier 11NPSWRD_WQX-YELL_LS_1007_71. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)10070001.

This site is located in Park County County, Wyoming at 44.8388900000 degrees latitude and -110.7167000000 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 "11NPSWRD_WQX-YELL_LS_1007_71" 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 1980 - 1980
Inorganics, Major, Metals 1980 - 1980
Inorganics, Major, Non-metals 1980 - 1980
Inorganics, Minor, Metals 1980 - 1980
Nutrient 1980 - 1980
Organics, Other 1980 - 1980
Physical 1980 - 1980
*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 11NPSWRD_WQX
OrganizationFormalName National Park Service Water Resources Division
MonitoringLocationIdentifier 11NPSWRD_WQX-YELL_LS_1007_71
MonitoringLocationName Obsidian Lake 2.5 Km East Nor-Mam Rd Central YNP
MonitoringLocationTypeName Lake
MonitoringLocationDescriptionText ELEVATION (m)= 2365 CAPACITY (m cubed)= 414620 DRAINAGE AREA (ha)= 394 SURFACE AREA (ha)= 11.3 AVERAGE DEPTH (m)= 1.3 MAX DEPTH (m)= 7.6 0 FISH; NO OFFICIAL STOCKING, WITH LACK OF INLET OR OUTLETS TO PREVENT MIGRATION AND SPAWNING, ALSO TOO SHALLOW TO OVERWINTER.Legacy Type: /TYPA/AMBNT/LAKELegacy Major Basin: MISSOURILegacy Minor Basin: YELLOWSTONE
HUCEightDigitCode 10070001
LatitudeMeasure 44.8388900000
LongitudeMeasure -110.7167000000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 56
CountyCode 029
ProviderName STORET