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Our commitment to every project provides each client with a exceptional level of service. For your project, Acorn Engineering, Inc. is capable of performing the following services:

  • Site Development Design
  • Utility Design
  • Stormwater Management
  • Erosion & Sedimentation Control
  • Feasibility Studies

For Residential, Commercial and Municipal Projects



With almost every construction related project a permit is required. Rely on Acorn Engineering, Inc. to successfully prepare permit applications for your project. Project permitting may require submittal of applications, attendance at hearings and meetings and inspections for one or more of the following organizations:

  • Local Government
    • Site Plan
    • Subdivision
    • Shoreland Zoning
  • State of Maine Agencies
    • Maine Department of Environmental Protection (MDEP)
      • Stormwater
      • Site Location of Development (SLDA)
      • Natural Resource Protection Act (NRPA)
      • Permit By Rule (PBR)
    • Maine Department of Marine Resources (DMR)
    • Maine State Department of Conservation, Bureau of Parks and Lands
    • Maine Department of Transportation (MDOT)
  • Federal Agencies
    • US Army Corps of Engineers (USACE)
    • US Environmental Protection Agency (EPA)
      • Clean Water Act (CWA)
        • National Pollutant Discharge Elimination System (NPDES)
        • Municipal Separate Storm Sewer Systems (MS4s)
        • Storm Water Pollution Prevention Plan (SWPPP)


Acorn Engineering specializes in the design of resilient stormwater systems for new developments and existing sites. Our engineers are on the forefront of water quality and quantity design. Our experience provides us with the tools to specifically adapt industry technologies and products to meet your projects challenges in the most cost effective manner. Typical stormwater projects include the following:

  • New Construction
  • Redevelopment
  • Retrofit and upgrade existing stormwater infrastructure.
  • Stormwater Pollution Prevention Plans (SWPPP)
  • Low Impact Development (LID)
  • Water Quality & Quantity Upgrades
  • Stormwater Credit Assessments
  • Impaired Watershed Studies
  • Environmental Stewardship


As your project continues past the design and permitting phases, Acorn Engineering, Inc. may assist with all aspects of the the construction phase. The construction phase services may include the following items:
  • Construction Documents
  • Project Bidding
  • Construction Administration
  • Construction Inspections
  • Erosion & Sedimentation Control Inspections
  • Punch List Preparation
  • Project closeout

Acorn Engineering, Inc. also offers post construction-annual stormwater inspections to satisfy MDEP requirements please see the Third Party Services.