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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-295826095082200

Lk Houston S Union Pacific RR Bridge nr Houston,TX (USGS-295826095082200) site data in the Water Quality Portal

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

This lake, reservoir, impoundment site, maintained by the USGS Texas Water Science Center (identifier USGS-TX), has the name "Lk Houston S Union Pacific RR Bridge nr Houston,TX" and has the identifier USGS-295826095082200. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12040101. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Harris County County, Texas at 29.97393333000000 degrees latitude and -95.1393833000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Differentially corrected Global Positioning System." and the accuracy is .5 seconds. The source map scale is 1:24000. This site is at an elevation of 45 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from topographic map." is 5 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-295826095082200" 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, Cyanobacteria 2009 - 2022
Biological, Algae, Phytoplankton 2014 - 2019
Biological, Algae, Phytoplankton, Photosynthetic Pigments 2008 - 2022
Biological, Fish 2019 - 2019
Cyanotoxins, Phytotoxins 2008 - 2020
Information 2008 - 2022
Inorganics, Major, Metals 2008 - 2022
Inorganics, Major, Non-metals 2008 - 2022
Inorganics, Minor, Metals 2008 - 2022
Inorganics, Minor, Non-metals 2014 - 2022
Microbiological 2008 - 2022
Nutrient 2008 - 2022
Organics, Other 2008 - 2022
Organics, PCBs 2008 - 2008
Organics, Pesticide 2008 - 2022
Physical 2008 - 2022
*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-295826095082200
MonitoringLocationName Lk Houston S Union Pacific RR Bridge nr Houston,TX
MonitoringLocationTypeName Lake, Reservoir, Impoundment
HUCEightDigitCode 12040101
LatitudeMeasure 29.97393333000000
LongitudeMeasure -95.1393833000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Differentially corrected Global Positioning System.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 45
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 5
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from topographic map.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 48
CountyCode 201
ProviderName NWIS