Septic System Installation

At Black Rock Excavating, LLC we provide professional septic tank and drain field installation for homes, cabins, and new construction across East Tennessee. Whether you're building on raw land or replacing a failing system, we deliver complete septic solutions built to code and built to last. 

What we Install

• Conventional Septic Systems

Gravity fed systems using a septic tank and drain field. 

• Pump Tanks & Dosing Chambers

For controlled flow and enhanced field Performance

• Grinder & Effluent Pumps

For lift or dosing when gravity is not sufficient