Canal De Derivacion at Lago De Guajataca water level

Name: Canal De Derivacion at Lago De Guajataca water level (U.S. Geological Survey)
Creator: U.S. Geological Survey
License: https://www.usgs.gov/information-policies-and-instructions/copyrights-and-credits

Canal gauge, Canal De Derivacion, Puerto Rico, United States

Directions

Normal for mid-October

Water level

3.27ft Down 0.13 ft over the last 24 hours

Measured Oct 20, 2026, 12:45 PM AST (1 hour ago)

Flow: 51.3 cfs

History

7 days 30 days 1 year Years compared

20252026

Water level Normal range (10–90 %)

What this means

Water levels are unremarkable at Canal De Derivacion at Lago De Guajataca, where the gauge shows 3.27 ft.

The median for mid-October is 3.44 ft, based on 15 years of readings, so the canal level is 0.17 ft below typical. On the same day last year the reading was 3.42 ft, a difference of −0.15 ft.

It is still going down, by 0.13 ft over the past 24 hours. The 30-day range is 3.25 ft – 3.41 ft.

Compared with 15 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date: 3.44 ft0.17 ft below the median for this date
Normal for this date: 2.73 ft – 3.57 ft8 years in 10 fall in this range (15 years of records)
Same day last year: 3.42 ft−0.15 ft
Lowest and highest in 30 days: 3.25 ft – 3.41 ft
Lowest and highest in 12 months: 2.62 ft – 3.54 ft

Weather at the gauge

Rain in the last 3 days: 0.53 in. Rain that falls upstream can take hours or days to show up at a river gauge.

20 Tue 87° 70° 0.13 in, 100% Wind 4 mph

21 Wed 88° 69° 0.09 in, 72% Wind 6 mph

22 Thu 87° 71° 0.21 in, 96% Wind 7 mph

23 Fri 87° 72° 0.47 in, 90% Wind 6 mph

24 Sat 85° 73° 0.28 in, 54% Wind 5 mph

25 Sun 87° 72° 0.17 in, 54% Wind 4 mph

26 Mon 86° 72° 0.12 in, 76% Wind 6 mph

Forecast: Open-Meteo

Sunrise 06:24 AM Sunset 06:03 PM Daylight 11 hr, 39 min Waxing gibbous 70%

Map

Nearby gauges

Gauge	Level	Compared with normal	24 hours	Distance
Rio Guajataca below Lago GuajatacaRiver gauge, Rio Guajataca	7.83 ft	Very high	+0.12 ft	0.1 mi
Rio Camuy near BayaneyRiver gauge, Rio Camuy	5.79 ft	Normal	+0.07 ft	7 mi
Canal De Moca above Lago Regulador E13 IsabelaCanal gauge, Canal De Moca	1.71 ft	Normal	−0.07 ft	8 mi
Rio Guajataca at LaresRiver gauge, Rio Guajataca	8.89 ft	Very high	+0.76 ft	8 mi
Canal Principal Diversion above Lago GuerreroCanal gauge, Canal Principal Diversion	24.4 cfs	Normal	+2.5 cfs	10 mi
Rio Culebrinas at Highway 404 near MocaRiver gauge, Rio Culebrinas	10.37 ft	Normal	+0.19 ft	11 mi
Rio Grande De Anasco near San SebastianRiver gauge, Rio Grande De Anasco	2.83 ft	Normal	−0.45 ft	11 mi
Rio Tanama near UtuadoRiver gauge, Rio Tanama	3.26 ft	Very low	−0.01 ft	12 mi

Questions and answers

Is the Canal De Derivacion at Lago De Guajataca higher than last year?

No, it is 0.15 ft lower than on the same day last year, when the reading was 3.42 ft.

What is a normal level for the Canal De Derivacion at Lago De Guajataca in mid-October?

The median for mid-October is 3.44 ft. In 8 years out of 10 the reading falls between 2.73 ft and 3.57 ft, based on 15 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Canal De Derivacion at Lago De Guajataca today?

On Oct 20, 2026, 12:45 PM AST, the water level was 3.27 ft. Down 0.13 ft over the last 24 hours.

Is Canal De Derivacion at Lago De Guajataca rising or falling?

Down 0.13 ft over the last 24 hours. Steady over the last 7 days.

Is the level of Canal De Derivacion at Lago De Guajataca normal?

Normal for mid-October. Compared with 15 years of daily readings for this time of year.

How often is this data updated?

The U.S. Geological Survey publishes a new reading every 15 minutes. This page refreshes within minutes of each update.

For specialists

Station codes, datum, parameters, data quality and downloads

Operator: U.S. Geological Survey
Station code: usgs:50011000 (Agency page)
Coordinates: 18.39952, -66.92751 (WGS84)
Vertical datum: PRVD02
Update interval: every 15 minutes
Licence: Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

Parameter	Last value	Time (UTC)	Quality
Water level	3.27 ft	2026-10-20 16:45	Provisional
Flow	51.3 cfs	2026-10-20 16:45	Provisional

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How to cite

U.S. Geological Survey: Canal De Derivacion at Lago De Guajataca (usgs:50011000). Accessed October 20, 2026 via Nivelmap, https://nivelmap.com/en/united-states/puerto-rico/canal-de-derivacion-at-lago-de-guajataca

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.

Readings are provisional, can be delayed or wrong and are not a flood warning. Read the disclaimer