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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-YOSE_3P_PB

Merced River at Pohono Bridge near Yosemite, CA (11NPSWRD_WQX-YOSE_3P_PB) 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 National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Merced River at Pohono Bridge near Yosemite, CA" and has the identifier 11NPSWRD_WQX-YOSE_3P_PB. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18040008.

This site is located in Mariposa County County, California at 37.7164324000 degrees latitude and -119.6663104700 degrees longitude using the datum WGS84. 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-YOSE_3P_PB" 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 2012 - 2017
Not Assigned 2012 - 2017
Organics, Other 2012 - 2017
Organics, Pesticide 2012 - 2017
PFAS,Perfluorinated Alkyl Substance 2017 - 2017
*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-YOSE_3P_PB
MonitoringLocationName Merced River at Pohono Bridge near Yosemite, CA
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText This station is at Merced River at Pohono Bridge near Yosemite, CA. This station has an additional ID from USGS-NWIS of 11266500 with the station name of Merced R a Pohono Bridge nr Yosemite CA.
HUCEightDigitCode 18040008
LatitudeMeasure 37.7164324000
LongitudeMeasure -119.6663104700
SourceMapScaleNumeric 24000
HorizontalCollectionMethodName Interpolation-Map
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 06
CountyCode 043
ProviderName STORET