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UNNAMED CREEK AT MOUTH (USGS-50090560) 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 Puerto Rico Water Science Center (identifier USGS-PR), has the name "UNNAMED CREEK AT MOUTH" and has the identifier USGS-50090560. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)21010005. See more details of this site the the USGS NWIS Web page for this site. This site has a drainage area of 0.54 sq mi.

This site is located in Maunabo Municipio County, Puerto Rico at 18.02021555000000 degrees latitude and -65.9294960000000 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 .5 seconds. The source map scale is 1:20000. This site is at an elevation of 49.21 feet and the accuracy of the elevation measurement, collected using the method "Interpolated from topographic map." is 16 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-50090560" 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 February, 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*
Inorganics, Major, Non-metals 2007 - 2007
Microbiological 2007 - 2007
Physical 2007 - 2007
*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-PR
OrganizationFormalName USGS Puerto Rico Water Science Center
MonitoringLocationIdentifier USGS-50090560
MonitoringLocationName UNNAMED CREEK AT MOUTH
MonitoringLocationTypeName Stream
HUCEightDigitCode 21010005
DrainageAreaMeasure/MeasureValue 0.54
DrainageAreaMeasure/MeasureUnitCode sq mi
LatitudeMeasure 18.02021555000000
LongitudeMeasure -65.9294960000000
SourceMapScaleNumeric 20000
HorizontalAccuracyMeasure/MeasureValue .5
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Mapping grade GPS unit (handheld accuracy range 12 to 40 ft)
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 49.21
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 16
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Interpolated from topographic map.
VerticalCoordinateReferenceSystemDatumName NGVD29
CountryCode US
StateCode 72
CountyCode 095
ProviderName NWIS