Meridian Land Services

Septic System Design Services

Septic Design

Meridian Land Services, Inc. has extensive experience in the design and permitting of a full range of septic treatment systems for homeowners, builders, and developers. We have prepared hundreds of subsurface sewage disposal systems for single-family homes and many disposal systems for multi-unit residential complexes, retail and commercial buildings and institutional facilities. Our Septic System Designers have a comprehensive knowledge of state and local regulations and the integrity to accurately assess the complexity of your site to determine the most appropriate design. So whether you have a difficult site, failed system, a lot requiring multiple state and local permits, or a property transaction related deadline, our Septic System Design Services can provide you with an efficient solution. Our Staff includes Permitted Designers in NH, MA and ME.

Services provided by the septic system design staff include:


  • New ConstructionSeptic Design
  • Failed System Replacement Designs
  • P.E. Permitted Designer On-Staff for Flows Exceeding 2,500 Gallons Per Day
  • Replacement In-Kind Testing and Application Preparation
  • Comprehensive Septic System Inspection by GSDI Certified Inspectors
  • Soil Testing for Septic System Placement (Test Pit and Percolation Test)
  • Licensed Consultants in Both NH and MA (Title 5) for Soil Evaluation and System Inspection
  • Expert Witness Testimony


  • Identification and Location of Jurisdictional Wetlands for Septic System and/or Home Setback


  • Commercial and Residential Septic Permitting
  • Wetlands Permits for Driveway Access to Your Lot
  • Shoreland Water Quality Protection Act Permitting for New and Redevelopment Projects
  • Water Resource Management Plans and Reports for additions, etc.


  • Site Walks to Evaluate Development Potential
  • Meetings to Discuss Permitting Needs and Regulatory Hurdles
  • Concept Evaluations Based on Site Conditions and Permitting Requirements


  • Installation Assistance and Inspection
  • Amended Plan Preparation (As-Built)
  • Construction Inspections and Reporting as Required for Municipal, State and Federal projects
  • Bid Document Preparation, Solicitation and Management for Commercial Projects

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