Navajo Reservoir

As of October 7, 2026, Navajo Reservoir is filled to 49.1% of its total capacity, holding roughly 1,035 hm³ of water out of a maximum 2,108 hm³. At this level the reservoir is within its normal operating range.

Over the most recent week on record the fill level has held broadly steady (+0.9 pts), and it is 1.9 points below its level on the same date a year earlier.

Across the readings we hold for Navajo Reservoir — 1824 data points between October 10, 2021 and October 7, 2026 — the level has ranged from a low of 45.5% (September 13, 2026) to a high of 78.5% (May 30, 2023). On average the reservoir is fullest around June and at its lowest around February.

It is operated by BOR primarily for multiple purposes. It lies within the New Mexico basin at 36.859°N, 107.530°W.