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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_TN8A

Tanapag Well No. 8A (11NPSWRD_WQX-AMME_GS1_TN8A) site data in the Water Quality Portal

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

This well site, maintained by the National Park Service Water Resources Division (identifier 11NPSWRD_WQX), has the name "Tanapag Well No. 8A" and has the identifier 11NPSWRD_WQX-AMME_GS1_TN8A. 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 15.2302777800 degrees latitude and 145.7527777780 degrees longitude using the datum GUAM. No horizontal location accuracy metadata is available. This site is at an elevation of 115 ft No vertical location accuracy metadata is available.

The well hole depth is 77 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "11NPSWRD_WQX-AMME_GS1_TN8A" 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*
Inorganics, Major, Non-metals 1944 - 1944
*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_TN8A
MonitoringLocationName Tanapag Well No. 8A
MonitoringLocationTypeName Well
MonitoringLocationDescriptionText This station is at Tanapag Well No. 8A. The well was drilled in Tanapag Spring No. 1. The elevation was re-measured in 1944 and 1958 as 100 feet. The inside diameter of the casing was 6.875 inches. The well depth was re-measured September 26, 1982 as 67.3 feet to soft bottom (the original bottom was recorded as hard volcanic rock). The well was reported abandoned due to low yield.
HUCEightDigitCode 22020000
LatitudeMeasure 15.2302777800
LongitudeMeasure 145.7527777780
HorizontalCollectionMethodName Unknown
HorizontalCoordinateReferenceSystemDatumName GUAM
VerticalMeasure/MeasureValue 115
VerticalMeasure/MeasureUnitCode ft
VerticalCollectionMethodName Topographic Map Interpolation
VerticalCoordinateReferenceSystemDatumName UNKWN
CountryCode US
StateCode 69
CountyCode 110
WellHoleDepthMeasure/MeasureValue 77
WellHoleDepthMeasure/MeasureUnitCode ft
ProviderName STORET