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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 >  STORET >  11NPSWRD_WQX >  11NPSWRD_WQX-SOPN_BEOL_AR

Arkansas River at Bent's Old Fort National Historic Site (11NPSWRD_WQX-SOPN_BEOL_AR) site data in the Water Quality Portal

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

This river/stream site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Arkansas River at Bent's Old Fort National Historic Site" and has the identifier 11NPSWRD_WQX-SOPN_BEOL_AR. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11020005.

This site is located in Otero County County, Colorado at 38.0382750000 degrees latitude and -103.4302590000 degrees longitude using the datum WGS84. No horizontal location accuracy metadata is available. This site is at an elevation of 1219 m No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "11NPSWRD_WQX-SOPN_BEOL_AR" 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*
Inorganics, Major, Metals 2012 - 2022
Inorganics, Major, Non-metals 2012 - 2022
Inorganics, Minor, Metals 2012 - 2022
Inorganics, Minor, Non-metals 2012 - 2022
Microbiological 2012 - 2016
Nutrient 2012 - 2022
Organics, Other 2013 - 2022
Physical 2012 - 2022
Radiochemical 2013 - 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 11NPSWRD_WQX
OrganizationFormalName National Park Service Water Resources Division
MonitoringLocationIdentifier 11NPSWRD_WQX-SOPN_BEOL_AR
MonitoringLocationName Arkansas River at Bent's Old Fort National Historic Site
MonitoringLocationTypeName River/Stream
MonitoringLocationDescriptionText Arkansas River: The segment of the Arkansas River that flows through Bent's Old Fort (COARLA01b_A) is characterized as having water quality impairments for Total Arsenic, Dissolved Selenium and Manganese, and Temperature). Arsenic, E. coli, selenium and manganese are the most common listings for rivers and streams in this region. This index reach is largely characterized by shallow glides and run habitats with sandy substrates. Instream vegetation is sparse, and willows line the banks with cottonwoods common on the floodplains south of the active river channel. Designated uses for the Arkansas River include Agriculture, Aquatic Life Warm Class 2, Recreation (Existing Primary Contact Use), Domestic Water Supply, Water + Fish. The assessment unit is COARLA01b 1b and includes the mainstem of the Arkansas River from the Colorado Canal headgate to the inlet to John Martin Reservoir.
HUCEightDigitCode 11020005
LatitudeMeasure 38.0382750000
LongitudeMeasure -103.4302590000
HorizontalCollectionMethodName Interpolation-Digital Map Source
HorizontalCoordinateReferenceSystemDatumName WGS84
VerticalMeasure/MeasureValue 1219
VerticalMeasure/MeasureUnitCode m
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName OTHER
CountryCode US
StateCode 08
CountyCode 089
ProviderName STORET