San Juan River at Farmington, NM
River level and flood forecast · San Juan County
Normal1.5 ftas of Mon 2 PM
The river is 7.0 ft below flood stage (8.5 ft).
Forecast to rise to 2.0 ft Tue 7 AM, below the 8.5 ft flood stage.
Flow: 655 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Mon, Oct 12, 10:10 AM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 12 ft |
| Moderate flood stage | 10 ft |
| Flood stage | 8.5 ft |
| Action stage | 7 ft |
| Record crest (September 28, 1935) | 11.8 ft |
What floods at each level
From the National Weather Service, highest first.
- 10 ftThe current extent of flooding along the San Juan River in New Mexico has not been observed since before the completion of Navajo Dam in 1962. In the Farmington vicinity, backwater flooding on the Animas River at and above the confluence with the San Juan River is the major concern. See flood bulletins pertaining to the Animas River. Downriver through Shiprock, mostly low lying and agricultural areas are subject to inundation.
- 8.5 ftOverbank flow is occurring from just below the confluence of the Animas and San Juan Rivers at Farmington, and continuing downriver through Shiprock. At this water level, the fast flow can result in river bank erosion but otherwise minor flood damage.
Highest crests on record
- 11.8 ft — September 28, 1935
- 11.7 ft — May 13, 1941
- 11.3 ft — July 27, 1957
- 8.08 ft — May 22, 2005
- 7.82 ft — June 18, 1995
Recent crests: 7.28 ft (June 6, 2016) · 5.1 ft (June 6, 2009) · 7.35 ft (June 3, 2008) · 6.53 ft (October 15, 2006) · 5.41 ft (June 6, 2006)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (FRMN5); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.