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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-TX >  USGS-08470460

Arroyo Colorado at Port Harlingen nr Rio Hondo, TX (USGS-08470460) 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 Texas Water Science Center (identifier USGS-TX), has the name "Arroyo Colorado at Port Harlingen nr Rio Hondo, TX" and has the identifier USGS-08470460. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12110208. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 405 sq mi and the contributing drainage area is 405 sq mi.

This site is located in Cameron County County, Texas at 26.20305556000000 degrees latitude and -97.5963889000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Differentially corrected Global Positioning System." and the accuracy is .1 seconds. The source map scale is 1:24000. This site is at an elevation of 10 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from Digital Elevation Model" is 20 feet. The vertical coordinate reference system is NAVD88.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-08470460" 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 2006 - 2006
Biological, Algae, Cyanobacteria 2006 - 2006
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2006 - 2006
Biological, Primary Production 2006 - 2006
Information 2006 - 2006
Inorganics, Major, Non-metals 2006 - 2006
Nutrient 2006 - 2006
Organics, Other 2006 - 2006
Physical 2006 - 2006
*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-TX
OrganizationFormalName USGS Texas Water Science Center
MonitoringLocationIdentifier USGS-08470460
MonitoringLocationName Arroyo Colorado at Port Harlingen nr Rio Hondo, TX
MonitoringLocationTypeName Stream
HUCEightDigitCode 12110208
DrainageAreaMeasure/MeasureValue 405
DrainageAreaMeasure/MeasureUnitCode sq mi
ContributingDrainageAreaMeasure/MeasureValue 405
ContributingDrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 26.20305556000000
LongitudeMeasure -97.5963889000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Differentially corrected Global Positioning System.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 10
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 20
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from Digital Elevation Model
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 48
CountyCode 061
ProviderName NWIS