A-1 Septic Systems & Excavating is an excavating contractor based in Mahnomen, Minnesota, serving the 56557 area and surrounding communities. The company specializes in providing excavation and septic system services, offering expertise in site preparation, septic installation, and related earthmoving tasks. Its operations are conducted from a location on MN-200, where it coordinates projects that require precise excavation work.
The business focuses on delivering services tailored to residential and commercial clients, ensuring that each project meets local standards and regulations. A-1 Septic Systems & Excavating manages a variety of excavation needs, including trenching, grading, and septic system installation, which are essential for construction and land development in the region.
Operating Monday through Friday from 8 a.m. to 5 p.m., the company provides direct communication channels for scheduling and consultation. With a local presence in Mahnomen, it maintains a practical approach to servicing the community’s excavation and septic system requirements, emphasizing reliability and compliance with industry practices.


































