The Water Resources Division's Surface Water Assessment Section oversees the protection of the quality of surface waters throughout the State of Michigan.
WEIGHT = 4.09 pounds Largemouth Bass Weight. The formula to calculate the weight for a Largemouth Bass that is 20 inches long and has a girth of 15 inches is as follows. Largemouth Bass have a shape factor of 1050. WEIGHT = LENGTH x GIRTH2 / SHAPE FACTOR. WEIGHT= 20 x (152) / 1050.
Largemouth bass normally spawn at water depths averaging between three and five feet, but the extremes run from a few inches to ten or twelve feet. Spawning sites ideally are where the bottom is of hard-packed sand, pea-gravel, clay, or marl with a very thin layer of mud covering the hard material.