5-Star Rated Septic System Design
Top Septic System Designer In Alexandria, VA
Soils Inc. ensures efficient septic system design in Alexandria offering sustainability, compliance with local regulations, and long-term cost savings.
“We don’t just talk about great customer service, we provide it!”





We Offer More Than Just Septic System Design Services!
Quality work delivered quickly is the Soils Inc standard. Your next septic design project gets experienced hands and steady communication from start to finish.
Our Septic System Design Testimonials
What your Neighbors in Alexandria Say About Our Septic System Design
For over 15 years, homeowners around the City of Alexandria have made Soils Inc. their go-to for septic system design. Up-front pricing and fair rates come standard.
Expert Septic Design in Alexandria
Soils Inc. septic designs are completed in-house. We specialize in the design of alternative and conventional on-site sewage disposal systems. Alternative systems that we design include:
- Microfast
- Advantex
- EZTreat
- Drip
- Elevated Sand Mound
- Experimental
Soils, Inc. provides operation and maintenance manuals and water mounding calculations for alternative on-site sewage disposal systems. We also provide third party start-up inspections, As-built drawings, and completion statements for regulatory submission.

Septic System Design by Soils Inc.
We set ourselves apart in the field of septic system design in Alexandria VA, through our meticulous attention to detail and dedication to eco-friendly practices. Our expert team utilizes advanced design techniques to create systems that are both efficient and environmentally conscious, ensuring they effectively manage waste while reducing their ecological footprint.
Our designs are fully compliant with local and state regulations, giving our clients confidence that their septic systems adhere to the strictest standards for safety and sustainability. With Soils Inc, you’re investing in a system designed for optimal performance and long-term reliability.
Choose Virginia Septic
For all septic system install, repair, pumping, Real Estate transactions, & Well and septic inspections
Third Generation Soil Scientists
Our third-generation soil scientists grew up on this work, and it shows in the investigations
Decades of Combined Experience
Every project draws on decades of combined experience working Virginia ground
Thousands of Satisfied Customers
We have served thousands of customers across Central Virginia, and that volume is why the answers come fast and hold up
Septic System Design FAQ for Alexandria
If a septic system design question is still on your mind, call the number below. Nobody here minds talking through the details.
The regulations for septic system design in are governed by the Virginia Department of Health. The system must be designed by a licensed professional, meet the required setbacks from wells, property lines, and water bodies, and pass a percolation test.
It’s recommended that a septic system should be inspected at least once every 3 years by a septic service professional. However, systems with electrical float switches, pumps, or mechanical components should be inspected annually.
The cost of installing a septic system in Alexandria, VA can vary widely depending on the complexity of the design and the type of system installed. On average, homeowners spend between $3,280 and $9,500 for a septic system installation.
The best type of soil for a septic system is well-drained soil. Sandy or loamy soils are ideal as they allow for proper percolation. Clay or tightly packed soils are not suitable because they can cause the system to fail.
No, in Alexandria, VA, a septic system must be installed by a licensed contractor. The system must be designed by a professional, and it must meet the local and state codes. It’s also important that it’s installed correctly to prevent failures and ensure it functions properly.
We offer Septic System Design Services Near You!
A decade of locally owned, licensed design work. the City of Alexandria projects get the same care we give our own neighbors, because they are our neighbors.










