Mark Mand Excavating, Inc. is a family owned and operated business that has been in the Fond du Lac area for over 60 years. We do installation of septic systems including mounds, conventional, at-grade, holding tanks, including sewer laterals. We do service calls to replace septic pumps/alarms. We also provide perc tests. Excavation for basements for new home construction, as well as digging for additions, driveways and storm sewers.