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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 >  STORET >  21COL001 >  21COL001-000068

SAN JUAN R ABOVE NAVAJO RESERVOIR (21COL001-000068) 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 "SAN JUAN R ABOVE NAVAJO RESERVOIR" and has the identifier 21COL001-000068. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)14080101.

This site is located in Archuleta County County, Colorado at 37.0141667 degrees latitude and -107.3141667 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 "21COL001-000068" 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 1968 - 1983
Inorganics, Major, Non-metals 1968 - 2004
Inorganics, Minor, Metals 1968 - 2004
Inorganics, Minor, Non-metals 1968 - 2004
Microbiological 1968 - 1994
Not Assigned 1969 - 1977
Nutrient 1968 - 2004
Organics, Other 1968 - 1983
Physical 1901 - 2004
Radiochemical 1974 - 2004
*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 21COL001-000068
MonitoringLocationName SAN JUAN R ABOVE NAVAJO RESERVOIR
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 14080101
LatitudeMeasure 37.0141667
LongitudeMeasure -107.3141667
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 08
CountyCode 007
ProviderName STORET