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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-08158700

Onion Ck nr Driftwood, TX (USGS-08158700) 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 "Onion Ck nr Driftwood, TX" and has the identifier USGS-08158700. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12090205. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 124 sq mi and the contributing drainage area is 124 sq mi.

This site is located in Hays County County, Texas at 30.08298924000000 degrees latitude and -98.0077859000000 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. This site is at an elevation of 868.52 feet and the accuracy of the elevation measurement, collected using the method "GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System" is .1 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-08158700" 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 2005 - 2005
Biological, Algae, Phytoplankton 2007 - 2010
Biological, Algae, Phytoplankton, Cyanobacteria, Periphyton 2005 - 2005
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1999 - 2005
Biological, Fish 2007 - 2010
Biological, Photosynthetic Pigments 1999 - 2001
Information 1978 - 2021
Inorganics, Major, Metals 1974 - 2021
Inorganics, Major, Non-metals 1974 - 2024
Inorganics, Minor, Metals 1974 - 2021
Inorganics, Minor, Non-metals 1974 - 2010
Microbiological 1978 - 2010
Nutrient 1974 - 2021
Organics, Other 1974 - 2021
Organics, PCBs 1978 - 2007
Organics, Pesticide 1978 - 2010
Physical 1974 - 2024
Radiochemical 1980 - 2007
Stable Isotopes 2003 - 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-TX
OrganizationFormalName USGS Texas Water Science Center
MonitoringLocationIdentifier USGS-08158700
MonitoringLocationName Onion Ck nr Driftwood, TX
MonitoringLocationTypeName Stream
HUCEightDigitCode 12090205
DrainageAreaMeasure/MeasureValue 124
DrainageAreaMeasure/MeasureUnitCode sq mi
ContributingDrainageAreaMeasure/MeasureValue 124
ContributingDrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 30.08298924000000
LongitudeMeasure -98.0077859000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 868.52
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .1
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 48
CountyCode 209
ProviderName NWIS