Available data

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6 data types available - data from 2010-08-14 to 2026-07-14

1 data types available - data from 2010-08-13 to 2011-01-11

3 data types available - data from 1981-03-17 to 2026-07-15

37 Observed properties (data types) available - with data from 1981-03-20 to 1996-01-31

222 Sampling activities

1 data types available - data from 2010-08-13 to 2011-01-11

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Metadata Element	Location Metadata	Metadata Code
Agency	U.S. Geological Survey	USGS
Location identification number	132626144471771	n/a
Location name	EX-4 Mangilao, Guam	n/a
Site type	Well	GW
Decimal latitude (WGS84)	13.4415833333333	n/a
Decimal longitude (WGS84)	144.790027777778	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	153.49 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	19810305	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	390 feet	n/a
Hole depth	400 feet	n/a
Source of depth data	S	n/a

Monitoring location EX-4 Mangilao, Guam - USGS-132626144471771