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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-PRSF_WQ_MTL6

Mountain Lake East Arm (11NPSWRD_WQX-PRSF_WQ_MTL6) site data in the Water Quality Portal

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

This wetland undifferentiated site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Mountain Lake East Arm" and has the identifier 11NPSWRD_WQX-PRSF_WQ_MTL6. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18050002.

This site is located in San Francisco County County, California at 37.7881500000 degrees latitude and -122.4681600000 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-PRSF_WQ_MTL6" 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*
Inorganics, Major, Non-metals 2014 - 2014
Microbiological 2012 - 2014
Not Assigned 2011 - 2014
Nutrient 2012 - 2014
Physical 2011 - 2014
*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-PRSF_WQ_MTL6
MonitoringLocationName Mountain Lake East Arm
MonitoringLocationTypeName Wetland Undifferentiated
MonitoringLocationDescriptionText East of foot path near golf course, approximately 100 feet upstream of MTL5 - at staff plate in clearing. This area will be re-graded to create seasonal wetlands as part of wetlands mitigation for Doyle Drive reroute project.
HUCEightDigitCode 18050002
LatitudeMeasure 37.7881500000
LongitudeMeasure -122.4681600000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 06
CountyCode 075
ProviderName STORET