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- Water-Year Summary reports summarize a year of hydrologic data in a printer-friendly format.
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USGS Water-Year Summary 2024
16849000 Fena Dam Spillway near Agat, Guam
LOCATION - Lat 13°21'33.7", long -144°22'0.7" referenced to North American Datum of 1983, Guam County, GM, Hydrologic Unit 22010000, located on Fena Dam on left bank of spillway, 3.5 mi west of Talofofo Elementary School, and 3.5 mi southeast of Agat.
DRAINAGE AREA - 5.88 mi².
REVISIONS HISTORY - WSP 2137: Drainage area. WDR HI-78-2: 1977 (M,m).
SURFACE-WATER RECORDS
PERIOD OF RECORD - September 1951 to July 1952, November 1952 to September 1973. Gage height, October 1973 to current year.
GAGE - Water-stage recorder and concrete control. Datum of gage is 111.35 ft above mean sea level (from survey of February 24, 2005).
EXTREMES FOR PERIOD OF RECORD - Maximum gage height: 5.36 ft, July 5, 2002. Minimum gage height: -31.56 ft, August 8, 1993.
