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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 >  NWIS >  USGS-CA >  USGS-11336790

LITTLE POTATO SLOUGH A TERMINOUS CA (USGS-11336790) site data in the Water Quality Portal

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

This stream site, maintained by the USGS California Water Science Center (identifier USGS-CA), has the name "LITTLE POTATO SLOUGH A TERMINOUS CA" and has the identifier USGS-11336790. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18040012. See more details of this site the the USGS NWIS Web page for this site.

This site is located in San Joaquin County County, California at 38.09638889000000 degrees latitude and -121.4961110000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)" and the accuracy is .5 seconds. The source map scale is 1:24000.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-11336790" 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*
Biological 2019 - 2021
Biological, Algae, Cyanobacteria 2018 - 2024
Biological, Algae, Cyanobacteria, Photosynthetic,Phycocyanin 2019 - 2021
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2018 - 2024
Biological, Algae,Cyanobacteria,Photosynthetic,Phycoerythrin 2019 - 2021
Cyanotoxins, Phytotoxins 2020 - 2020
Information 2017 - 2023
Inorganics, Major, Non-metals 2018 - 2023
Inorganics, Minor, Metals 2019 - 2021
Nutrient 2018 - 2023
Organics, Other 2018 - 2023
Organics, Pesticide 2018 - 2023
Physical 2010 - 2023
Sediment 2010 - 2013
Stable Isotopes 2019 - 2021
*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 USGS-CA
OrganizationFormalName USGS California Water Science Center
MonitoringLocationIdentifier USGS-11336790
MonitoringLocationName LITTLE POTATO SLOUGH A TERMINOUS CA
MonitoringLocationTypeName Stream
HUCEightDigitCode 18040012
LatitudeMeasure 38.09638889000000
LongitudeMeasure -121.4961110000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 06
CountyCode 077
ProviderName NWIS