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WQP Home >  Providers >  NWIS >  USGS-HI >  USGS-145837145390070

Marpo Monitor Well, Tinian, CNMI (USGS-145837145390070) site data in the Water Quality Portal

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

This well site, maintained by the USGS Hawaii Water Science Center (identifier USGS-HI), has the name "Marpo Monitor Well, Tinian, CNMI" and has the identifier USGS-145837145390070. See more details of this site the the USGS NWIS Web page for this site.

This site is located in Tinian Municipality County, Northern Mariana Islands at 14.97826667000000 degrees latitude and 145.6527306000000 degrees longitude using the datum NAD83. The horizontal location collection method was "Interpolated from Digital MAP." and the accuracy is 1 seconds. The source map scale is 1:25000. This site is at an elevation of 9 feet and the accuracy of the elevation measurement, collected using the method "Level or other surveyed method." is 1 feet. The vertical coordinate reference system is LMSL.

This site is located in the "Other aquifers" aquifer. The aquifer is a Unconfined single aquifer type. The well depth is 10.20 ft. The well hole depth is 10.20 ft.

To download the metadata about this site along with water quality data, go to the Portal Page and enter "USGS-145837145390070" 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 1992 - 1997
Physical 1992 - 1997
*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 USGS-HI
OrganizationFormalName USGS Hawaii Water Science Center
MonitoringLocationIdentifier USGS-145837145390070
MonitoringLocationName Marpo Monitor Well, Tinian, CNMI
MonitoringLocationTypeName Well
LatitudeMeasure 14.97826667000000
LongitudeMeasure 145.6527306000000
SourceMapScaleNumeric 25000
HorizontalAccuracyMeasure/MeasureValue 1
HorizontalAccuracyMeasure/MeasureUnitCode seconds
HorizontalCollectionMethodName Interpolated from Digital MAP.
HorizontalCoordinateReferenceSystemDatumName NAD83
VerticalMeasure/MeasureValue 9
VerticalMeasure/MeasureUnitCode feet
VerticalAccuracyMeasure/MeasureValue 1
VerticalAccuracyMeasure/MeasureUnitCode feet
VerticalCollectionMethodName Level or other surveyed method.
VerticalCoordinateReferenceSystemDatumName LMSL
CountryCode US
StateCode 69
CountyCode 120
AquiferName Other aquifers
AquiferTypeName Unconfined single aquifer
WellDepthMeasure/MeasureValue 10.20
WellDepthMeasure/MeasureUnitCode ft
WellHoleDepthMeasure/MeasureValue 10.20
WellHoleDepthMeasure/MeasureUnitCode ft
ProviderName NWIS