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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-PORE_NPS_OLEM

OLEMA CREEK (11NPSWRD_WQX-PORE_NPS_OLEM) 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 "OLEMA CREEK" and has the identifier 11NPSWRD_WQX-PORE_NPS_OLEM. 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 38.0348611000 degrees latitude and -122.7828333000 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-PORE_NPS_OLEM" 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 1954 - 1954
Inorganics, Major, Non-metals 1954 - 1954
Inorganics, Minor, Non-metals 1954 - 1954
Nutrient 1954 - 1954
Organics, Other 1954 - 1954
Physical 1954 - 1954
*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_NPS_OLEM
MonitoringLocationName OLEMA CREEK
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText THE STATION IS LOCATED ON THE INVERNESS CALIFORNIA 7.5 MINUTE SERIES (TOPOGRAPHIC) QUADRANGLE. THE SITE IS AT OLEMA CREEK INSIDE GOLDEN GATE NATIONAL RECREATION AREA. THE DATA ARE FROM THE USGS REPORT "HYDROLOGIC RECONNAISSANCE OF POINT REYES NATIONAL SEASHORE AREA; CALIFORNIA" BY R.H. DALE AND S.E. RANTZ (1966). THE OBJECTIVE OF THE REPORT IS "TO APPRAISE POTENTIAL SOURCES OF WATER SUPPLY AT PARK SITES WHERE VISITOR ACCOMMODATIONS ARE PROPOSED." SAMPLE FRACTIONS ANALYZED WERE NOT STATED BY THE REPORT; THEREFORE; THEY WERE ASSUMED. FOR PARK INFORMATION CONTACT THE CHIEF OF RESOURCES AT POINT REYES NATIONAL SEASHORE; POINT REYES CA 94956 (TEL. 4156631092). DATA WERE PROCESSED AND UPLOADED TO STORET BY LISA DUMMER; 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 38.0348611000
LongitudeMeasure -122.7828333000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName NAD27
CountryCode US
StateCode 06
CountyCode 041
ProviderName STORET