Grant Lesak, P.E.
Environmental Engineer

Experience
7 years

Notable Organization
american water works association
Grant Lesak joined HMG Engineers in 2022, bringing almost 7 years of experience in water and wastewater engineering. As an Environmental Engineer in HMG’s Water Group, his expertise includes hydraulic modeling, lift station design, IEPA State Revolving Fund project planning, and detailed reporting on sanitary sewer system rehabilitation priorities.
He is a licensed Professional Engineer in Illinois and has contributed to projects in municipalities across the state. Grant’s work includes watermain replacements, hydro-pneumatic storage tank improvements, lift station upgrades, and hydraulic modeling. He has also supported communities by securing IEPA funding through project planning and documentation.
Active in his profession, Grant is a member of the American Water Works Association and the Water Environment Federation.