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.

This site is experiencing performance degradation. USGS personnel will address when able.

WQP Home >  Providers >  NWIS >  USGS-UT >  USGS-09379500

SAN JUAN RIVER NEAR BLUFF, UT (USGS-09379500) 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 Utah Water Science Center (identifier USGS-UT), has the name "SAN JUAN RIVER NEAR BLUFF, UT" and has the identifier USGS-09379500. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)14080205. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 23000 sq mi.

This site is located in San Juan County County, Utah at 37.15067778000000 degrees latitude and -109.8666889000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)" and the accuracy is .1 seconds. The source map scale is 1:24000. This site is at an elevation of 4046.22 feet and the accuracy of the elevation measurement, collected using the method "GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System" is .21 feet. The vertical coordinate reference system is NAVD88.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-09379500" 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.

Leaflet USGS The National Map: National Boundaries Dataset, 3DEP Elevation Program, Geographic Names Information System, National Hydrography Dataset, National Land Cover Database, National Structures Dataset, and National Transportation Dataset; USGS Global Ecosystems; U.S. Census Bureau TIGER/Line data; USFS Road data; Natural Earth Data; U.S. Department of State HIU; NOAA National Centers for Environmental Information. Data refreshed July 22, 2025.

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 1974 - 2022
Biological, Algae, Phytoplankton, Cyanobacteria, Periphyton 1974 - 1980
Biological, Algae, Phytoplankton, Photosynthetic Pigments 1974 - 1980
Biological, Counts 1974 - 1981
Biological, Fish 2011 - 2022
Biological, Photosynthetic Pigments 1974 - 1980
Information 1947 - 2024
Inorganics, Major, Metals 1928 - 2023
Inorganics, Major, Non-metals 1928 - 2024
Inorganics, Minor, Metals 1928 - 2022
Inorganics, Minor, Non-metals 1928 - 2022
Microbiological 1974 - 1994
Nutrient 1928 - 2000
Organics, Other 1974 - 2022
Organics, PCBs 1977 - 1982
Organics, Pesticide 1975 - 2000
Physical 1928 - 2024
Radiochemical 1981 - 2022
Sediment 1943 - 2023
Stable Isotopes 1992 - 2023
*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-UT
OrganizationFormalName USGS Utah Water Science Center
MonitoringLocationIdentifier USGS-09379500
MonitoringLocationName SAN JUAN RIVER NEAR BLUFF, UT
MonitoringLocationTypeName Stream
HUCEightDigitCode 14080205
DrainageAreaMeasure/MeasureValue 23000
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 37.15067778000000
LongitudeMeasure -109.8666889000000
SourceMapScaleNumeric 24000
HorizontalAccuracyMeasure/MeasureValue .1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 4046.22
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue .21
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName GNSS2 - Level 2 Quality Survey Grade Global Navigation Satellite System
VerticalCoordinateReferenceSystemDatumName NAVD88
CountryCode US
StateCode 49
CountyCode 037
ProviderName NWIS