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NORTH FLOODWAY AT US 77 (TCEQMAIN-20930) site data in the Water Quality Portal

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

This canal drainage site, maintained by the Texas Commission on Environmental Quality (identifier TCEQMAIN), has the name "NORTH FLOODWAY AT US 77" and has the identifier TCEQMAIN-20930. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12110208.

This site is located in Cameron County County, Texas at 26.3148000000 degrees latitude and -97.7772000000 degrees longitude using the datum NAD83. 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 "TCEQMAIN-20930" 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.

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed February, 2025.

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, Cyanobacteria 2015 - 2015
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2011 - 2024
Biological, Counts 2013 - 2017
Information 2011 - 2024
Inorganics, Major, Non-metals 2011 - 2024
Microbiological 2013 - 2024
Nutrient 2011 - 2024
Organics, Other 2011 - 2024
Physical 2011 - 2024
*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 TCEQMAIN
OrganizationFormalName Texas Commission on Environmental Quality
MonitoringLocationIdentifier TCEQMAIN-20930
MonitoringLocationName NORTH FLOODWAY AT US 77
MonitoringLocationTypeName Canal Drainage
HUCEightDigitCode 12110208
LatitudeMeasure 26.3148000000
LongitudeMeasure -97.7772000000
HorizontalCollectionMethodName Interpolation-Satellite
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 48
CountyCode 061
ProviderName STORET