Septic System Design in Portsmouth, RI

At E.J. Excavating, LLC, we specialize in designing septic systems that meet the unique requirements of your property and comply with all Rhode Island regulations. As a licensed Class 1 septic designer and installer, we bring over 30 years of experience to every project — from small residential systems to complex commercial layouts.

Why Proper Design Matters

A properly designed septic system ensures efficiency, longevity, and compliance with the Rhode Island Department of Environmental Management (RIDEM). Poor design can lead to system failure, costly repairs, and environmental hazards. We take pride in getting it right the first time.

Our Septic Design Services Include:

On-site soil testing and system layout planning
Detailed plan layout for RIDEM approval
Coordination with RIDEM
Designs for repairs only
Preparation for construction and installation

Licensed, Experienced, and Local

As an RIDEM-licensed designer and installer, we stay current with changing regulations and technologies. We know how to navigate the permitting process and work closely with inspectors and engineers to streamline approvals and start your project on time.

Serving Portsmouth and Surrounding Areas

We proudly serve a wide range of towns and communities in Rhode Island and southeastern Massachusetts, including:

Portsmouth
Middletown
Newport
Tiverton
Little Compton
Bristol

Warren
Barrington
Jamestown
Westport
Swansea
Dartmouth

We also serve Bristol County, RI and Newport County, RI, as well as other surrounding areas.

Looking to Install a New System?

We also handle septic system installation in-house. This means we can carry your project from concept to completion with one team.