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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-11447650

SACRAMENTO R A FREEPORT CA (USGS-11447650) 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 "SACRAMENTO R A FREEPORT CA" and has the identifier USGS-11447650. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)18020163. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Sacramento County County, California at 38.45566389000000 degrees latitude and -121.5016167000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." 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-11447650" 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 2017 - 2021
Biological, Algae, Cyanobacteria 2015 - 2024
Biological, Algae, Cyanobacteria, Photosynthetic,Phycocyanin 2019 - 2021
Biological, Algae, Phytoplankton 1973 - 1981
Biological, Algae, Phytoplankton, Cyanobacteria, Periphyton 1974 - 1980
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1974 - 2024
Biological, Algae,Cyanobacteria,Photosynthetic,Phycoerythrin 2020 - 2021
Biological, Counts 1974 - 1981
Biological, Photosynthetic Pigments 1974 - 1980
Cyanotoxins, Phytotoxins 2017 - 2019
Information 1973 - 2024
Inorganics, Major, Metals 1958 - 2023
Inorganics, Major, Non-metals 1958 - 2024
Inorganics, Minor, Metals 1960 - 2023
Inorganics, Minor, Non-metals 1958 - 2023
Microbiological 1973 - 2019
Nutrient 1958 - 2023
Organics, Other 1973 - 2024
Organics, PCBs 1973 - 1995
Organics, Pesticide 1973 - 2024
Physical 1958 - 2024
Population/Community 1974 - 1977
Radiochemical 1970 - 1998
Sediment 1973 - 2022
Stable Isotopes 1996 - 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-11447650
MonitoringLocationName SACRAMENTO R A FREEPORT CA
MonitoringLocationTypeName Stream
HUCEightDigitCode 18020163
LatitudeMeasure 38.45566389000000
LongitudeMeasure -121.5016167000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 06
CountyCode 067
ProviderName NWIS