Lake Guajataca Water Level
Lago Guajataca · Quebradillas, Puerto Rico · operated by Puerto Rico Electric Power Authority (PREPA/AEE)
Water level
196.32 m
above mean sea level · 2026-11-08
SafetyAt 196.32 m, Lake Guajataca is above its seasonal norm — higher than 93.5% of all November days recorded since 1995.
Recorded range
185.36 – 199.51 m
Position in range
77.5%
Seasonal percentile
93.5%
Record since
1995
Official operating levels (PREPA)
Overflow
196.50 m
Safety
194.00 m
Observation
188.00 m
Adjustments
185.50 m
Control
185.00 m
Out of service
184.00 m
These are the thresholds the Puerto Rico Electric Power Authority publishes for this reservoir. They, not a storage percentage, are what trigger operational adjustments and rationing decisions on the island.
Drought context
Puerto Rico drought →U.S. Drought Monitor
Noneno drought
Week of 3 November 2026
Drought figures describe the ground around the reservoir, not its storage. Sources: U.S. Drought Monitor.
The chart plots where the water level sits inside the range this reservoir has recorded since 1995 (185.36 m to 199.51 m). It is a level position, not a share of storage capacity — Puerto Rico does not publish reservoir volume.
Catchment Weather
Past 30 days + 14-day forecast · Open-Meteo
On the map
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Dam and gauge
Design capacity
40.21 hm³
National Inventory of Dams
USGS gauge
50010800
Daily values, 15-minute source data
Municipality
Quebradillas
North Puerto Rico
Primary use
hydropower
PREPA / AEE
Design capacity is the volume the dam was built to impound, from the US Army Corps of Engineers' National Inventory of Dams. It describes the size of the reservoir — it is not used to compute a fill percentage, because the elevation-to-volume curve needed for that is not published for Puerto Rico.