Available data

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2 data types available - data from 2007-09-30 to 2026-10-13

2 data types available - data from 1975-03-30 to 2026-10-11

3 data types available - data from 1980-03-03 to 2026-07-22

0 observed properties (data types) available

2 data types available - data from 1975-03-30 to 2026-10-11

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	132813144472771	n/a
Location name	A-16, Barrigada, Guam	n/a
Site type	Well	GW
Decimal latitude (WGS84)	13.471361111111111	n/a
Decimal longitude (WGS84)	144.79252777777776	n/a
Latitude-longitude method	Global positioning system (GPS), Standard Positioning Service (SPS) or Precise Positioning Service (PPS)	G
Latitude-longitude accuracy	Accurate to + or - 1 sec.	S
District	Hawaii	15
State	Guam	66
County	Guam	010
Country	United States of America	n/a
Altitude of gage/land surface	207.45 feet	n/a
Method altitude determined	Level or other surveyed method.	L
Altitude accuracy	0.01 feet	n/a
Altitude datum	Guam Vertical Datum of 2004	GUVD04
Subbasin hydrologic unit	Guam	22010000
Drainage basin		n/a
Date of first construction		n/a
Drainage area		n/a
Contributing drainage area		n/a
Time zone abbreviation	GST	n/a
Site honors Daylight Saving Time	N	n/a
National aquifer	Other aquifers	N9999OTHER
Local aquifer	Limestone	100LMSN
Local aquifer type	Unconfined single aquifer	U
Well depth	229 feet	n/a
Hole depth	229 feet	n/a
Source of depth data	S	n/a

Monitoring location A-16, Barrigada, Guam - USGS-132813144472771