Tri-Lakes Info
Physical Characteristics
Round Lake
Lake Mecosta
Blue Lake
Surface Area (Acres)
Maximum Depth (Feet)
Average Depth (Feet)
Volume (Acre-Feet)
Shoreline Length (Miles)
Shoreline Development Factor
221
50
15.3
3,381
2.9
1.4
316
39
10.8
3,412
5.6
2.2
156
45
15.9
2,480
2.7
1.5
Each of the three lakes has a relatively deep hole. For Round, Mecosta, and Blue Lakes the maximum depth has been measured as 45, 39, and 50 feet deep respectively. Lake Mecosta has the largest surface area at 316 acres, Blue lake is 221 acres, and Round lake is smaller at 156 acres.
Legal Lake Level
Blue Lake has a legal lake level of 959.5'. This level was established under Part 307 of Michigan's Natural Resources and Environmental Protection Act.
A limnological survey of the Tri-Lakes was conducted in 1990 by the Michigan State University Department of Fisheries and Wildlife. Please click here to access the report.
Historical Study
Depth Contour Maps
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