Le Mars took control of the game at the sound of the opening buzzer and never gave Emmetsburg an opportunity to leave town with a win.
Shots dropped early and the Bulldogs quickly built a solid lead over their opponents.
Le Mars kept up the intensity in the second stanza and extended their lead to 40-19 at the half.
The outcome of the game seemed clear, but the 'Dogs kept up the pace to make sure that no unwanted surprises would happen.
Le Mars made 23 points in the third quarter and limited their opponents to just nine. The score was 63-27 going into the final period.
A third-quarter dunk by sophomore Tyler Borchers brought the crowd roaring to its feet.
"It's always a good momentum boost and it excites the crowd, excites the guys," Le Mars boys coach Dave Irwin said. "They're always fun to see."
The final stanza did not hold any surprises. Bench players got some valuable playing time and the 'Dogs cruised to their sixth consecutive victory.
"This was one of the games were I thought we played as unselfish as we had at any point this year," Irwin said. "We played great team basketball tonight, both offensively and defensively."
Offensively, three Bulldogs were in double figures.
Senior Gabe Rahn scored a team-high 13 points, followed by Senior Parker Rolfes with 12 and Borchers with 10.
Junior Jake Irwin had six assists.
On the defensive end, senior Tanner Anthony led his team with five rebounds.
Borchers had four steals.
Sitting at 10-3, Le Mars is getting into a tough stretch of the schedule with games at Western Christian (13-1) and Spencer (10-4) ahead next week.
"We have two battles next week," Irwin said. "The guys know that they have to win both to have a chance to win the conference."
Earning the Lakes Conference title was one of the team's goals to start the year, the LCS coach explained.
"We have got to all be at our best next week for both games," Irwin said. "It's a challenge for us. Neither game is going to be easy. But these are the games you want to play, the teams you want to play against. You want to do your best against the best teams."