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WQP Home >  Providers >  STORET >  21GUAM >  21GUAM-N-03

Naton Beach - Matapang Beach Park (21GUAM-N-03) site data in the Water Quality Portal

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

This beach program site-ocean site, maintained by the Guam Environmental Protection Agency (BEACH) (identifier 21GUAM), has the name "Naton Beach - Matapang Beach Park" and has the identifier 21GUAM-N-03.

This site is located in Guam County, Guam at 13.5596660000 degrees latitude and 144.8110000000 degrees longitude using the datum WGS84. 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 "21GUAM-N-03" 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*
Physical 2013 - 2013
*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 21GUAM
OrganizationFormalName Guam Environmental Protection Agency (BEACH)
MonitoringLocationIdentifier 21GUAM-N-03
MonitoringLocationName Naton Beach - Matapang Beach Park
MonitoringLocationTypeName BEACH Program Site-Ocean
MonitoringLocationDescriptionText Straight out from last pavillion next to Tropicana
LatitudeMeasure 13.5596660000
LongitudeMeasure 144.8110000000
SourceMapScaleNumeric 0
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 66
CountyCode 010
ProviderName STORET