Mullett Lake is managed by Michigan DNR (Inland Waterway; levels regulated by the Cheboygan Dam). Lake Insights displays its latest available elevation from U.S. Geological Survey. Published reference elevations are listed below.
0.16 feet above full pool
+0.16 ft vs full pool
Mullett Lake is currently 0.16 feet above full pool and has fallen slightly over the past week. The lake remains above full pool while easing lower over the past week; 30-day change down 0.03 ft.
Cheboygan County, MI · U.S. Drought Monitor county statistics at the lake location (not a lake-specific designation)
Abnormally Dry
The largest share of Cheboygan County, MI is Abnormally Dry (D0). 12.6% of the county is still in Moderate Drought or worse (D1–D4), which the U.S. Drought Monitor treats as official drought. These figures describe the surrounding county from the lake location, not the lake itself.
Severity
Weekly trend
Worsening
Compared with last week
Official drought (D1–D4)
Yes
12.6% of the surrounding county is in official drought categories (D1–D4). Dominant category remains Abnormally Dry.
U.S. Drought Monitor · map date Oct 6, 2026. Updated weekly. Official drought means U.S. Drought Monitor categories D1–D4 (Moderate through Exceptional). Abnormally Dry (D0) is not counted as official drought. droughtmonitor.unl.eduView drought map for Cheboygan County, MI
Managing authority
Waterbody / project type
General factors for reservoirs like this
These are common influences for this type of lake. They do not identify the cause of a specific current change unless an operator update confirms it.
Rainfall & inflows
Rain and upstream river inflows can raise reservoir levels, especially after storms.
Downstream releases
When an operator releases water through a dam, reservoir storage can fall and downstream flows can rise.
Published reference elevation. Not necessarily a fixed year-round target for every project.
A winter / seasonal pool elevation is published, but Lake Insights does not have verified seasonal operating dates for this lake.
Managing authority: Michigan DNR (Inland Waterway; levels regulated by the Cheboygan Dam)
Observation source used by Lake Insights: U.S. Geological Survey
Who manages the lake and who publishes the reading Lake Insights displays can differ. Lake Insights does not invent a source label from the managing authority alone.
Shared background — not lake-specific facts
Lake Insights aggregates water level information from authoritative public sources such as the U.S. Army Corps of Engineers, NOAA, TVA, Bureau of Reclamation, power utilities, and other official lake operators. We preserve historical observations, calculate trends, and present lake conditions in a consistent format. For U.S. Geological Survey, we link to the official source whenever it is available. Lake Insights does not predict future lake levels unless an official forecast has been published by the managing authority.
593.16 ft
FallingClear · 37 mph NNW
Full pool
Winter pool
Datum
Current-level source
Flood-risk operations
Some projects store or release water under flood-risk rules when conditions require it.
Water supply
Some reservoirs support municipal, industrial, irrigation, or regional water-supply needs.
Hydropower
Hydropower projects may pass water through turbines when generating electricity.
Seasonal weather
Dry periods, heat, evaporation, and seasonal rainfall patterns can affect storage over weeks and months.
Good
Best window: 6:05 AM–7:05 AM
Level 6 hours ago · Weather 48 minutes ago · Cheboygan, Cheboygan County Airport