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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-CO >  USGS-07130500

ARKANSAS RIVER BELOW JOHN MARTIN RESERVOIR, CO. (USGS-07130500) 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 BELOW JOHN MARTIN RESERVOIR, CO." and has the identifier USGS-07130500. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11020009. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 18494 sq mi and the contributing drainage area is 17709 sq mi.

This site is located in Bent County County, Colorado at 38.06639635000000 degrees latitude and -102.9324228000000 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 3737.40 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-07130500" 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 1953 - 2023
Inorganics, Major, Metals 1946 - 2023
Inorganics, Major, Non-metals 1945 - 2023
Inorganics, Minor, Metals 1947 - 2023
Inorganics, Minor, Non-metals 1954 - 2023
Microbiological 1978 - 1993
Nutrient 1946 - 2018
Organics, Other 1990 - 2018
Organics, PCBs 1990 - 1990
Organics, Pesticide 1968 - 1990
Physical 1945 - 2023
Radiochemical 1977 - 2018
Sediment 1976 - 1993
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-07130500
MonitoringLocationName ARKANSAS RIVER BELOW JOHN MARTIN RESERVOIR, CO.
MonitoringLocationTypeName Stream
HUCEightDigitCode 11020009
DrainageAreaMeasure/MeasureValue 18494
DrainageAreaMeasure/MeasureUnitCode sq mi
ContributingDrainageAreaMeasure/MeasureValue 17709
ContributingDrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 38.06639635000000
LongitudeMeasure -102.9324228000000
HorizontalAccuracyMeasure/MeasureValue 5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 3737.40
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 15
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Unknown.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 08
CountyCode 011
ProviderName NWIS