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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 >  11NPSWRD_WQX >  11NPSWRD_WQX-AMME_GS1_TN9R

Tanapag 9-Million Gallon Reservoir Rain Gage (11NPSWRD_WQX-AMME_GS1_TN9R) site data in the Water Quality Portal

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

This reservoir site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Tanapag 9-Million Gallon Reservoir Rain Gage" and has the identifier 11NPSWRD_WQX-AMME_GS1_TN9R. This site is in the watershed defined by the 8 digit Hydrologic Unit Code (HUC)22020000.

This site is located in Saipan Municipality County, Northern Mariana Islands at 15.2247222200 degrees latitude and 145.7411111110 degrees longitude using the datum GUAM. No horizontal location accuracy metadata is available. This site is at an elevation of 60 ft No vertical location accuracy metadata is available.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "11NPSWRD_WQX-AMME_GS1_TN9R" 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*
Organics, Other 1945 - 1983
*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 11NPSWRD_WQX
OrganizationFormalName National Park Service Water Resources Division
MonitoringLocationIdentifier 11NPSWRD_WQX-AMME_GS1_TN9R
MonitoringLocationName Tanapag 9-Million Gallon Reservoir Rain Gage
MonitoringLocationTypeName Reservoir
MonitoringLocationDescriptionText This station is at Tanapag 9-Million Gallon Reservoir rain gage. The gage is on the south rim of the 9-million gallon reservoir.
HUCEightDigitCode 22020000
LatitudeMeasure 15.2247222200
LongitudeMeasure 145.7411111110
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName GUAM
VerticalMeasure/MeasureValue 60
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 69
CountyCode 110
ProviderName STORET