The Bureau of Reclamation will be starting their annual drawdown on the Colorado River on Monday, Jan. 4. The drawdown is for maintenance on the Colorado River Indian Tribes’ canals. The area affected will from Headgate Rock Dam to Parker Dam, an area of the river known as Lake Moovayla.

The water level is slated to be lowered by one foot, and it should be completed by Monday afternoon. However, the exact timing could vary depending on operational or environmental conditions. The drawdown is expected to have only minimal impacts on releases from Parker Dam and will not affect Colorado River flows below Headgate Rock Dam.

During the drawdown, the Lake Moovalya water level will be lowered to elevation 363.40 feet, about one foot lower than the normal elevation of 364.40 feet. The lake should return to its normal elevation on Monday, Jan. 25. A return to normal elevation may occur sooner or later than this date, depending on operational or environmental conditions.

All river users should be aware that fluctuating or lower than normal river flows may expose or create natural hazards such as moving sandbars, gravel bars, unstable riverbanks, floating or submerged debris, or other unfamiliar obstacles. As always, caution should be exercised while using the river.


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