Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

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-GOGA_USGS_GG

GREEN GULCH AT MUIR BEACH (11NPSWRD_WQX-GOGA_USGS_GG) 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 "GREEN GULCH AT MUIR BEACH" and has the identifier 11NPSWRD_WQX-GOGA_USGS_GG. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18050005.

This site is located in Marin County County, California at 37.8630556000 degrees latitude and -122.5702778000 degrees longitude using the datum NAD27. 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-GOGA_USGS_GG" 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, Metals 1986 - 1988
Inorganics, Major, Non-metals 1986 - 1988
Inorganics, Minor, Metals 1986 - 1988
Inorganics, Minor, Non-metals 1986 - 1988
Microbiological 1986 - 1988
Nutrient 1986 - 1988
Organics, Other 1986 - 1988
Organics, PCBs 1986 - 1986
Organics, Pesticide 1986 - 1986
Physical 1986 - 1988
Sediment 1986 - 1988
Stable Isotopes 1986 - 1986
*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-GOGA_USGS_GG
MonitoringLocationName GREEN GULCH AT MUIR BEACH
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText THE STATION IS LOCATED ON THE POINT BONITA CA 7.5 MINUTE SERIES (TOPOGRAPHIC) QUADRANGLE. THE SITE IS LOCATED AT GREEN GULCH; UPSTREAM OF BRIDGE; 1.7 MILES SOUTHWEST OF TAMALPAIS VALLEY. THIS SITE IS LOCATED WITHIN THE GOLDEN GATE NATIONAL RECREATION AREA (GOGA). THE DATA ARE FROM A REPORT BY MARY ANN MADEJ; "ANALYSIS OF USGS WATER QUALITY DATA 19861988." THE REPORT CONTAINS ADDITIONAL DATA FOR USGS STATION 11460154 THAT WERE COLLECTED AND ANALYZED BUT NOT UPLOADED TO STORET BY THE USGS. AS INDICATED IN THE REPORT; SULFATE DATA WERE UPLOADED AS DISSOLVED; AND FECAL COLIFORM DATA ARE QUESTIONABLE DUE TO PROBLEMS WITH THE CULTURES. FOR MORE INFORMATION CONTACT THE CHIEF OF RESOURCES AT GOLDEN GATE NATIONAL RECREATION AREA; FORT MASON; BUILDING 201; SAN FRANCISCO CA 941231308 (TEL. 4155614620). DATA WERE PROCESSED AND UPLOADED TO STORET BY ADRIANE PETERSEN; NATIONAL PARK SERVICE WATER RESOURCES DIVISION; 1201 OAK RIDGE DRIVE SUITE 250; FORT COLLINS CO 80525 (TEL. 9702253516).*** Legacy STORET Station Type: /TYPA/AMBNT/STREAM
HUCEightDigitCode 18050005
LatitudeMeasure 37.8630556000
LongitudeMeasure -122.5702778000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 06
CountyCode 041
ProviderName STORET