Skip to main content
U.S. flag

An official website of the United States government

WQP Home >  Providers >  NWIS >  USGS-TX >  USGS-08082180

N Croton Ck nr Knox City, TX (USGS-08082180) 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 "N Croton Ck nr Knox City, TX" and has the identifier USGS-08082180. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)12060101. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 251 sq mi and the contributing drainage area is 251 sq mi.

This site is located in Stonewall County County, Texas at 33.38314796000000 degrees latitude and -100.0812116000000 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 1462.44 feet and the accuracy of the elevation measurement, collected using the method "Level or other surveyed method." is .1 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-08082180" 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*
Inorganics, Major, Metals 1965 - 1986
Inorganics, Major, Non-metals 1965 - 1986
Nutrient 1967 - 1985
Physical 1965 - 1986
Radiochemical 1981 - 1981
*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-08082180
MonitoringLocationName N Croton Ck nr Knox City, TX
MonitoringLocationTypeName Stream
HUCEightDigitCode 12060101
DrainageAreaMeasure/MeasureValue 251
DrainageAreaMeasure/MeasureUnitCode sq mi
ContributingDrainageAreaMeasure/MeasureValue 251
ContributingDrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 33.38314796000000
LongitudeMeasure -100.0812116000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue 5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 1462.44
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .1
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Level or other surveyed method.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 48
CountyCode 433
ProviderName NWIS