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Puerto RicoReservoir, 579 acres

Lago Caonillas water level

Lago Caonillas, Puerto Rico
Photo: U.S. Department of Agriculture Airman 1st Class Nicholas Dutton/156th Airlift Wing, Public domain

Current level

825.73ft PRVD02

Reading from Oct 26, 2026

Well above normal for October

Past 24 hours
+0.01ft
Past 7 days
-0.13ft
Past 30 days
-0.04ft
vs typical October
+5.34ft

Lago Caonillas was at 825.73 ft on October 26, falling 0.13 ft over the past week. That is well above normal for October: the typical October level is 820.39 ft, so the lake is 5.34 ft above its usual mark.

Last 30 days

825.6825.8826.0826.2Sep 25Oct 10Oct 25

Shaded band shows the lowest and highest October monthly averages on record. Dashed line is the typical October level.

Typical level through the year

Each bar spans the range of monthly averages on record for that month. The line marks the median. The orange dot is where the lake sits now.

750800JFMAMJJASOND

Recent daily readings

Lago Caonillas daily mean water level, newest first
DateLevel (ft PRVD02)Change
Oct 25, 2026825.72-0.02
Oct 24, 2026825.74-0.01
Oct 23, 2026825.75-0.01
Oct 22, 2026825.76-0.01
Oct 21, 2026825.77-0.03
Oct 20, 2026825.80-0.06
Oct 19, 2026825.86-0.06
Oct 18, 2026825.92+0.07
Oct 17, 2026825.85+0.02
Oct 16, 2026825.83-0.06
Oct 15, 2026825.89-0.02
Oct 14, 2026825.91+0.07
Oct 13, 2026825.84-0.02
Oct 12, 2026825.86+0.12

Reading these numbers

Readings are elevations in feet above the Puerto Rico Vertical Datum of 2002 (PRVD02), the island's official height reference. Older reservoir documents may use a local or meter-based reference, so check which one a ramp or intake elevation uses before comparing.

On a reservoir, a few feet of drop changes the shoreline more than you would think. Low water exposes stumps, sandbars and old roadbeds that are normally well under the hull, and some ramps end before the water does.

High water brings its own problems: floating debris after storms, flooded docks and courtesy piers, and no-wake rules near flooded campgrounds. A quick look at the trend before you hitch up saves a wasted trip.

The gauge is about 2 miles from the center of the lake and is listed by USGS as Lago Caonillas at Damsite near Utuado, PR. Wind can pile water up at one end of a big lake for a few hours, so short spikes on a windy day are normal.

Lago Caonillas water level questions

What is the water level at Lago Caonillas today?

Lago Caonillas was at 825.73 ft on October 26, falling 0.13 ft over the past week. That is well above normal for October: the typical October level is 820.39 ft, so the lake is 5.34 ft above its usual mark.

Is Lago Caonillas high or low right now?

Compared with the long-term record for October, the lake is well above normal. The October monthly average has ranged from 760.45 to 826.54 ft, with a typical value of 820.39 ft.

Is Lago Caonillas rising or falling?

Over the last seven days the level has fallen (-0.13 ft), and it is -0.04 ft compared with 30 days ago.

Where does the Lago Caonillas water level data come from?

From the U.S. Geological Survey, gauge 50026140 (Lago Caonillas at Damsite near Utuado, PR). USGS publishes provisional readings every 15 to 60 minutes; they can be revised later after quality checks.

How often is this page updated?

The page itself is rebuilt every day with the latest daily values, and the current reading refreshes straight from the USGS each time you open it.

Nearby lakes

If Lago Caonillas is blown out, these are the closest alternatives. Tap through for their water levels.