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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 >  NARS_WQX >  NARS_WQX-GU04-0055

Ypao Beach (NARS_WQX-GU04-0055) site data in the Water Quality Portal

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

This ocean site, maintained by the EPA National Aquatic Resources Survey (NARS) (identifier NARS_WQX), has the name "Ypao Beach" and has the identifier NARS_WQX-GU04-0055.

This site is located in Guam County, Guam at 13.5049470000 degrees latitude and 144.7878160000 degrees longitude using the datum NAD83. The horizontal location collection method was "GPS Code (Pseudo Range) Differential" and the accuracy is 100 m.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "NARS_WQX-GU04-0055" 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*
Biological, Algae, Phytoplankton 2005 - 2005
Biological, Counts 2005 - 2005
Inorganics, Minor, Metals 2005 - 2005
Inorganics, Minor, Non-metals 2005 - 2005
Not Assigned 2005 - 2005
Nutrient 2005 - 2005
Organics, Other 2005 - 2005
Organics, PCBs 2005 - 2005
Organics, Pesticide 2005 - 2005
Physical 2005 - 2005
Radiochemical 2005 - 2005
*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 NARS_WQX
OrganizationFormalName EPA National Aquatic Resources Survey (NARS)
MonitoringLocationIdentifier NARS_WQX-GU04-0055
MonitoringLocationName Ypao Beach
MonitoringLocationTypeName Ocean
MonitoringLocationDescriptionText Frame_SQ_K="30.2096";MultidensityCat="Estuary ";USEPA_ID="GUW04454_055";Oversample="1";Note="See NCCA publications for description of fields stored in this comment field."
LatitudeMeasure 13.5049470000
LongitudeMeasure 144.7878160000
HorizontalAccuracyMeasure/MeasureValue 100
HorizontalAccuracyMeasure/MeasureUnitCode m
HorizontalCollectionMethodName GPS Code (Pseudo Range) Differential
HorizontalCoordinateReferenceSystemDatumName NAD83
CountryCode US
StateCode 66
CountyCode 010
ProviderName STORET