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WQP Home >  Providers >  STORET >  21COL001 >  21COL001-7165

CHALK CK. @ MOUTH ABV MAINSTEM ARKANSAS R. (21COL001-7165) 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 Colorado Dept. of Public Health & Environment (identifier 21COL001), has the name "CHALK CK. @ MOUTH ABV MAINSTEM ARKANSAS R." and has the identifier 21COL001-7165. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)11020001.

This site is located in Chaffee County County, Colorado at 38.7419444 degrees latitude and -106.0833889 degrees longitude using the datum UNKWN. No horizontal location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "21COL001-7165" 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, Non-metals 2000 - 2008
Inorganics, Minor, Metals 2000 - 2008
Inorganics, Minor, Non-metals 2000 - 2008
Microbiological 2000 - 2008
Nutrient 2000 - 2008
Physical 2000 - 2008
Radiochemical 2004 - 2006
*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 21COL001
OrganizationFormalName Colorado Dept. of Public Health & Environment
MonitoringLocationIdentifier 21COL001-7165
MonitoringLocationName CHALK CK. @ MOUTH ABV MAINSTEM ARKANSAS R.
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 11020001
LatitudeMeasure 38.7419444
LongitudeMeasure -106.0833889
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 08
CountyCode 015
ProviderName STORET