Welcome to Bismarck Septic Excavation. We proudly have been proudly serving Bismarck, Mandan and the surrounding communities since 2009. We are a local, family-owned, licensed and insured for your protection and promise to deliver quality work with unmatched professionalism. Septic Services we provide include: Septic Excavations and Repairs New Septic Tank Installations Leaching Systems Excavation Services we provide include: Dirt Work & Hauling Sewer & Water Lines Basements Footings Snow Removal Visit us online or call today for all your excavation needs. We look forward to serving you!