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 legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  NWIS >  USGS-AZ >  USGS-09521100

COLORADO R BLW YUMA MAIN CANAL WW AT YUMA, AZ (USGS-09521100) 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 Arizona Water Science Center (identifier USGS-AZ), has the name "COLORADO R BLW YUMA MAIN CANAL WW AT YUMA, AZ" and has the identifier USGS-09521100. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)15030107. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 246500 sq mi.

This site is located in Imperial County County, California at 32.73171354000000 degrees latitude and -114.6327306000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 10 seconds. The source map scale is 1:24000. This site is at an elevation of 101.99 feet and the accuracy of the elevation measurement, collected using the method "Unknown." is 20 feet. The vertical coordinate reference system is NGVD29.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-09521100" 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, Algae, Phytoplankton 2016 - 2019
Biological, Fish 2016 - 2019
Information 1986 - 2019
Inorganics, Major, Metals 1986 - 2019
Inorganics, Major, Non-metals 1986 - 2019
Inorganics, Minor, Metals 1995 - 2019
Inorganics, Minor, Non-metals 1986 - 2019
Microbiological 1972 - 2019
Nutrient 1986 - 2019
Organics, Other 1995 - 2019
Organics, PCBs 1995 - 1995
Organics, Pesticide 1995 - 1995
Physical 1972 - 2019
Radiochemical 1995 - 1995
Sediment 2014 - 2019
*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-AZ
OrganizationFormalName USGS Arizona Water Science Center
MonitoringLocationIdentifier USGS-09521100
MonitoringLocationName COLORADO R BLW YUMA MAIN CANAL WW AT YUMA, AZ
MonitoringLocationTypeName Stream
HUCEightDigitCode 15030107
DrainageAreaMeasure/MeasureValue 246500
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 32.73171354000000
LongitudeMeasure -114.6327306000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 10
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 101.99
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 20
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Unknown.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 06
CountyCode 025
ProviderName NWIS