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Water levels in Guam

Guam has 5 gauges on this page. 2 are reading below normal for the date and 1 above. Low and high readings are fairly evenly spread.

The main rivers covered are the Almagosa River, La Sa Fua River, Maulap River and Ugum River. The list also includes one lake or reservoir. Fall is often a low point for rivers after the summer, until steady rain returns.

Very lowLowNormalHighVery highFloodingNo reference yet
Water levels in Guam
Gauge Level Compared with normal 24 hours Updated
Fena Dam Spillway near Agat, GuamReservoir, Fena Dam Spillway 0.21 ft Low +0.01 ft 25 min ago
Almagosa River near Agat, GuamRiver gauge, Almagosa River 31.5 cfs High +2.0 cfs 10 min ago
La Sa Fua River near Umatac, GuamRiver gauge, La Sa Fua River 3.2 cfs Low +0.6 cfs 15 min ago
Maulap River near Agat, GuamRiver gauge, Maulap River 7.1 cfs Normal +1.1 cfs 10 min ago
Ugum River above Talofofo Falls, near Talofofo, GuamRiver gauge, Ugum River 48.7 cfs Normal +14.0 cfs 10 min ago