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Water-Year Summary for Site 133047144510171

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  • Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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Available Parameters
72229 Elevation, GW, GUVD04(Mean)  

Water year 2023: 2022-10-01 to 2023-09-30
 
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USGS Water-Year Summary 2023
133047144510171 MW-2, Marbo, Guam
Other aquifers
LOCATION - Lat 13°30'52.4", long -144°10'9.8" referenced to North American Datum of 1983, Guam County, GM, Hydrologic Unit 22010000, 175 feet south of Marine Corps drive, 0.9 mi east of Macheche Road, and 4.2 mi northeast of Antonio B. Won Pat International Airport.
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth 379 ft. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined. Casing depth: 379 feet.
DATUM - Land-surface datum is 350.54 ft above undefined vertical datum. Measuring point: top of 2-inch pipe, marked, 352.04 ft above Guam Vertical Datum of 2004, Oct. 15, 2010 to present. Water level elevations are referenced to the Guam Vertical Datum of 2004 (GUVD04) beginning July 19, 2012.
PERIOD OF RECORD - Water-level: 1982, October 2010 to January 2011, and July 2012 to present.
PERIOD OF DAILY RECORD - October 2010 to January 2011, and July 2012 to present.
EXTREMES FOR PERIOD OF RECORD - Highest water level measured, 4.91 feet above mean sea level, August 1, 2014; lowest water level measured, 3.48 feet above mean sea level, November 22, 2010.