Rio Humacao at Las Piedras, PR
River level and flood forecast · Las Piedras County
The river is 9.5 ft below flood stage (10 ft).
Flow: 15 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.
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An email when the National Weather Service forecasts Rio Humacao at Las Piedras to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 15 ft |
| Moderate flood stage | 13 ft |
| Flood stage | 10 ft |
| Action stage | 7 ft |
| Record crest (September 6, 1960) | 34.4 ft |
Highest crests on record
- 34.4 ft — September 6, 1960
- 21.8 ft — December 8, 1987
- 21.34 ft — October 9, 1970
- 20.79 ft — May 21, 1969
- 18.78 ft — August 27, 1970
Recent crests: 12.03 ft (September 19, 2022) · 6.63 ft (September 20, 2017) · 5.11 ft (October 8, 2012) · 6.42 ft (December 25, 2009) · 4.5 ft (September 5, 2009)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (PIEP4); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.