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-PORE_ANIMA_P1

UNNAMED CREEK FLOWING INTO MCCLURES BEACH (11NPSWRD_WQX-PORE_ANIMA_P1) 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 "UNNAMED CREEK FLOWING INTO MCCLURES BEACH" and has the identifier 11NPSWRD_WQX-PORE_ANIMA_P1. 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 38.1882778000 degrees latitude and -122.9635000000 degrees longitude using the datum NAD27. No horizontal location accuracy metadata is available. This site is at an elevation of 20 ft No vertical 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-PORE_ANIMA_P1" 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 1987 - 1988
Nutrient 1987 - 1988
Physical 1987 - 1988
*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-PORE_ANIMA_P1
MonitoringLocationName UNNAMED CREEK FLOWING INTO MCCLURES BEACH
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText THE STATION IS LOCATED ON THE TOMALES; CA 7.5 MINUTE SERIES (TOPOGRAPHIC) QUADRANGLE. THE SITE IS LOCATED AT AN UNNAMED CREEK WHICH FLOWS INTO MCCLURES BEACH. THE CREEK FLOWS ALONGSIDE THE TRAIL TO MCCLURES BEACH. THE SAMPLING SITE IS LOCATED AT A ROCK DAM APPROXIMATELY 50 METERS UPSTREAM FROM MCCLURES BEACH. THE SITE IS INSIDE POINT REYES NATIONAL SEASHORE PARK BOUNDARIES. DATA ARE FROM THE 1990 NATIONAL PARK SERVICE REPORT TITLED "POLLUTION STUDIES OF DRAKES ESTERO; AND ABBOTTS LAGOON POINT REYES NATIONAL SEASHORE; CALIFORNIA; USA" BY ROBERTO J. ANIMA OF THE U.S. GEOLOGICAL SURVEY. FOR MORE INFORMATION CONTACT RESOURCE MANAGEMENT AT POINT REYES NATIONAL SEASHORE; POINT REYES CA 949569799. TEL. 4156631092. DATA WERE PROCESSED AND UPLOADED BY ADAM HENSON; 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 38.1882778000
LongitudeMeasure -122.9635000000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
VerticalMeasure/MeasureValue 20
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 06
CountyCode 041
ProviderName STORET