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Important for you to know:

  • New to WDFN: see current water conditions throughout the state using the new State Pages. Filter by continuous data type and age of data, view latest values, and link to graphing options to explore the data further. To learn more, read our announcement on the Water Data for the Nation blog.
Important Legacy real-time page

USGS Parameter Group Data Types Start Date End Date
Physical Daily Values, Groundwater Levels, Unit Values 1973-11-30 2024-11-22
n/a USGS Active Groundwater Level Network Site 1973-01-01 2020-01-01
n/a USGS Annual Water Data Reports Site 2007-01-01 2020-01-01
Water Data for the Nation inventory

Monitoring location 133032144491871 is associated with a Well in Guam, Guam. Current conditions of Groundwater level above Guam Vertical Datum of 2004 are available. Water data back to 1973 are available online.

Metadata Element Location Metadata Metadata Code
Agency
U.S. Geological Survey USGS
Site identification number
133032144491871 n/a
Site name
M-10A, Harmon Loop School, Dededo, Guam n/a
Site type
Well
GW
DMS latitude 133038.2 n/a
DMS longitude -1444926.9 n/a
Decimal latitude 13.5106111 n/a
Decimal longitude 144.8241389 n/a
Latitude-longitude method
Mapping grade GPS unit (handheld accuracy range 12 to 40 ft) G
Latitude-longitude accuracy
Accurate to + or - 1 sec. S
Latitude-longitude datum
North American Datum of 1983 NAD83
Decimal Latitude-longitude datum North American Datum of 1983 NAD83
District
Hawaii 15
State
Guam 66
County
Guam 010
Country US n/a
Land net location description n/a
Name of location map Dededo, GU n/a
Scale of location map 24000 n/a
Altitude of Gage/land surface 227.79 feet n/a
Method altitude determined Level or other surveyed method. L
Altitude accuracy .01 feet n/a
Altitude datum
Guam Vertical Datum of 2004 GUVD04
Subbasin hydrologic unit
22010000
Drainage basin
n/a
Topographic setting
n/a
Flags for instruments at site NNNNNNNNNNNNNNNNNNNNNNNNNNNNNN n/a
Date of first construction
n/a
Date site established or inventoried 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
Data reliability
Data have been checked by the reporting agency. C
Data-other GW files YNNNNYNN n/a
National aquifer Other aquifers N9999OTHER
Local aquifer n/a
Local aquifer type
Unconfined single aquifer U
Well depth n/a
Hole depth
n/a
Source of depth data n/a
Project number n/a