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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_MG_TSFMR_A

Tributary to South Fork Merced River below Big Trees Lodge at Mariposa Tree (11NPSWRD_WQX-YOSE_MG_TSFMR_A) 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 "Tributary to South Fork Merced River below Big Trees Lodge at Mariposa Tree" and has the identifier 11NPSWRD_WQX-YOSE_MG_TSFMR_A. 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 37.5350600000 degrees latitude and -119.6556600000 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-YOSE_MG_TSFMR_A" 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 1978 - 1979
Nutrient 1978 - 1978
Physical 1978 - 1979
*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_MG_TSFMR_A
MonitoringLocationName Tributary to South Fork Merced River below Big Trees Lodge at Mariposa Tree
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Upstream point just below Big Trees Lodge next to road at 'Mariposa Tree'. Lodge used by Y.C.C. group during summer months. Downstream point below grove near bus parking lot. Heavy visitor use area. Sewage disposal by septic tank and leach field below lodge and uphill from stream.
HUCEightDigitCode 18040008
LatitudeMeasure 37.5350600000
LongitudeMeasure -119.6556600000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 06
CountyCode 043
ProviderName STORET