Engineered leach-field rows mid-install: sand covering geotextile fabric, a row of septic chambers and green distribution pipe still exposed, excavator working beside the house at the tree line

Septic Systems

Done Once.
Done Right.

New systems and full replacements. Engineered chambers go where a standard field cannot: tight lots, poor soils, shoreland setbacks. Eljen and DEP certified.

Septic systems


A septic system does its work buried, and it is expected to keep doing it for decades. Anything worth checking gets checked before the hole closes. We coordinate designers, inspectors, and local officials so the permitting and the installation run as one job.

Not every lot can take a conventional field. Where space is tight, soils are poor, or the system has to carry a driveway, we install engineered systems. Justin Lovely is a certified Eljen installer.

On a lakefront lot, the leach field and the lake share the same ground. Shoreland zoning sets how far the field stays back from the water and requires a DEP certified contractor to build it.

  • New systems, repairs, and full replacements
  • Eljen, Infiltrator, and concrete chamber systems
  • Shoreland and waterfront lots
  • Site preparation and excavation
  • Design and DEP permitting coordination
  • City sewer line repair
Eljen septic system installation by Mariner Construction in Central Maine

They were friendly, knowledgeable and helpful with planning the placement… very responsive when we contacted them to install the septic system in January… Their crew is meticulous, timely and so precise about everything…

Bridget & Bob Cailler · Monmouth, ME

Great communication throughout the entire process and incredibly accommodating to the time constraints on my listing. They replaced the leach field quickly and efficiently, keeping everything on track and stress-free.

Tiffany Masse

Where we work


We install and replace septic systems throughout the Augusta area and the Belgrade Lakes region, where shoreland rules make a septic project considerably more involved than a permit and a backhoe.

  • Belgrade
  • Belgrade Lakes
  • Rome
  • Smithfield
  • Readfield
  • Winthrop
  • Manchester
  • Augusta
  • Fayette
  • Wayne
  • Sidney
  • Litchfield
  • Gardiner
  • West Gardiner
  • Mount Vernon
  • Cobbossee Lake
  • Carrabassett Valley
  • Sugarloaf area

Get an Estimate


Tell us about your project, whether it's a full set of plans or just an idea. We follow up to talk it through, usually within two business days.

Drag & drop files, or Up to 6 files