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WQP Home >  Providers >  STORET >  21GUAM >  21GUAM-APRM-1B

Masso River at bridge past DOE warehouse (21GUAM-APRM-1B) 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 Guam Environmental Protection Agency (BEACH) (identifier 21GUAM), has the name "Masso River at bridge past DOE warehouse" and has the identifier 21GUAM-APRM-1B. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)22010000.

This site is located in Guam County, Guam at 13.4603777800 degrees latitude and 144.6922806000 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-APRM-1B" 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*
Information 1997 - 2013
Microbiological 1997 - 2013
Nutrient 1997 - 2013
Organics, Other 1997 - 1997
Physical 1997 - 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-APRM-1B
MonitoringLocationName Masso River at bridge past DOE warehouse
MonitoringLocationTypeName River/Stream
HUCEightDigitCode 22010000
LatitudeMeasure 13.4603777800
LongitudeMeasure 144.6922806000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 66
CountyCode 010
ProviderName STORET