Navajo Reservoir

Current Status

***Notices for the latest release changes are posted HERE.***

Navajo Reservoir - On September 2, 2026, the daily average release rate from Navajo Dam was 800 cfs. The water surface elevation was 6012.6 feet above sea level. At this elevation the live storage is 0.803 maf (49 percent of live storage capacity). Diversions to Cutter Reservoir for the Navajo Indian Irrigation Project (NIIP) and the Navajo Gallup Water Supply Project (NGWSP) were 528 cfs. The San Juan-Chama project was diverting 0 cfs from the basin above Navajo Reservoir.

Releases from Navajo Dam are made for authorized purposes of the Navajo Unit and are pursuant to the Record of Decision for the Navajo Reservoir Operations. Releases target the San Juan River Recovery Implementation Program's (SJRIP) recommended downstream baseflow range of 500 cfs to 1,000 cfs through the critical habitat reach of the San Juan River (Farmington, NM to Lake Powell).

Navajo was at 6013.2 ft of pool elevation and 0.807 maf of live storage by the end of August, which was 61 percent of average for the end of the month. The release averaged 908 cfs and totaled 54.8 kaf, which was 61 percent of average for the month. Preliminary modified unregulated inflow (MUI) into Navajo was -15.4 kaf, which was -47 percent of average for the month. Calculated evaporation for the month was 2.5 kaf. NIIP diverted a total of 40.4 kaf. Navajo had a net storage change of -83.1 kaf during the last month.

The most probable MUI forecast for September, October, and November is 19 kaf (55 percent of average), 24 kaf (62 percent of average), and 22 kaf (82 percent of average), respectively.

Conor Felletter at cfelletter@usbr.gov

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Contact

Please contact the Operations Group via e-mail at ResourceMgr@usbr.gov for additional information.

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