Rio De La Plata near Toa Alta, PR
River level and flood forecast · Dorado County
The river is 12.6 ft below flood stage (16 ft).
Flow: 35 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts Rio De La Plata near Toa Alta to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 23 ft |
| Moderate flood stage | 19 ft |
| Flood stage | 16 ft |
| Action stage | 8 ft |
| Record crest (September 13, 1928) | 37.4 ft |
What floods at each level
From the National Weather Service, highest first.
- 22.04 ftRoad PR-2 flooded-Rio Lajas out of its banks.Barrio Chorro de Maguayo flooded.
- 21 ftFlooding along PR-2, around km 2.8, affecting Puente La Virgencita. 9/24 erg
- 18.53 ftFlooding in: PR-165, in front of Urb Lagos De Plata, Sector El 26, Villa Calma, Urb Las Gaviotas, Mansion del MarIn Dorado: Flooding in Barrio Mameyal, Sector Costa del Oro.
Highest crests on record
- 37.4 ft — September 13, 1928
- 36.35 ft — September 6, 1960
- 34.4 ft — June 16, 1943
- 34 ft — October 9, 1970
- 33.08 ft — August 27, 1961
Recent crests: 17.7 ft (May 5, 2025) · 17.66 ft (May 4, 2025) · 16.29 ft (March 14, 2025) · 23.93 ft (August 14, 2024) · 22.98 ft (May 8, 2024)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (TOAP4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.