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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 legacy user interface will continue to function for several weeks. However, this user interface only serves WQX2.2 profiles, which do NOT contain USGS data added after March 11, 2024.

WQP Home >  Providers >  STORET >  21GUAM >  21GUAM-APRA1

ON BIG GAUTALI ABOVE GORCO PLANT (21GUAM-APRA1) site data in the Water Quality Portal

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

This estuary site, maintained by the Guam Environmental Protection Agency (BEACH) (identifier 21GUAM), has the name "ON BIG GAUTALI ABOVE GORCO PLANT" and has the identifier 21GUAM-APRA1. 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 13.4256666700 degrees latitude and 144.6881667000 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-APRA1" 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 - 2009
Microbiological 1978 - 2009
Nutrient 1978 - 2009
Organics, Other 1997 - 1997
Physical 1978 - 2009
*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-APRA1
MonitoringLocationName ON BIG GAUTALI ABOVE GORCO PLANT
MonitoringLocationTypeName Estuary
HUCEightDigitCode 22010000
LatitudeMeasure 13.4256666700
LongitudeMeasure 144.6881667000
HorizontalCollectionMethodName GPS-Unspecified
HorizontalCoordinateReferenceSystemDatumName WGS84
CountryCode US
StateCode 66
CountyCode 010
ProviderName STORET