Expert Water Treatment Installation Services

Sewage System Services

Sewage System Services

New Septic System Installation

MJ Mountain Septic is a reliable, professional company that specializes in the installation of new septic systems. Our team of experienced …
Learn more

Sewage Treatment Plant Installation

At MJ Mountain Septic, we have over 20 years of experience in the construction industry, making us the perfect choice for sewage treatment …
Learn more

Septic System Repair

Are you having sewage backup in your yard? Is your septic tank alarm going off? Do you have to have your septic tank pumped periodically? …
Learn more

Septic System Replacement

If your local environmental health department has given you a permit to replace your septic tank, modify or replace your leech field, or …
Learn more

Reviews

Called them on Sunday, with a major septic failure. (Fourth of July holiday weekend at that) They were the only company in the WNC area to respond...  Read more
Jul 7, 2025
Heather “Nicole”
Installed us a new septic system. Did an excellent job. Jimmy & Renee 
Jun 16, 2025
Renee

Get Your Septic System Installed

Thank you for considering our company for your septic system installation needs. Please fill out the following form with your contact information and project details