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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 legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  NWIS >  USGS-CO >  USGS-07117000

ARKANSAS RIVER NEAR NEPESTA, CO. (USGS-07117000) 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 Colorado Water Science Center (identifier USGS-CO), has the name "ARKANSAS RIVER NEAR NEPESTA, CO." and has the identifier USGS-07117000. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11020005. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 9345 sq mi and the contributing drainage area is 9291.00 sq mi.

This site is located in Pueblo County County, Colorado at 38.18417028000000 degrees latitude and -104.1732974000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from MAP." and the accuracy is 5 seconds. This site is at an elevation of 4385.00 feet and the accuracy of the elevation measurement, collected using the method "Unknown." is 15 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-07117000" 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, Phytoplankton 2017 - 2018
Biological, Fish 2017 - 2018
Information 1991 - 2018
Inorganics, Major, Metals 1963 - 2018
Inorganics, Major, Non-metals 1963 - 2018
Inorganics, Minor, Metals 1976 - 2018
Inorganics, Minor, Non-metals 1964 - 2018
Microbiological 1976 - 1980
Nutrient 1963 - 2018
Organics, Other 1976 - 2018
Organics, PCBs 1976 - 1980
Organics, Pesticide 1976 - 1980
Physical 1961 - 2018
Radiochemical 1988 - 2018
Stable Isotopes 2017 - 2018
*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-CO
OrganizationFormalName USGS Colorado Water Science Center
MonitoringLocationIdentifier USGS-07117000
MonitoringLocationName ARKANSAS RIVER NEAR NEPESTA, CO.
MonitoringLocationTypeName Stream
HUCEightDigitCode 11020005
DrainageAreaMeasure/MeasureValue 9345
DrainageAreaMeasure/MeasureUnitCode sq mi
ContributingDrainageAreaMeasure/MeasureValue 9291.00
ContributingDrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 38.18417028000000
LongitudeMeasure -104.1732974000000
HorizontalAccuracyMeasure/MeasureValue 5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 4385.00
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 15
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Unknown.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 08
CountyCode 101
ProviderName NWIS