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June 22, 2018 - Porous Pavement Prep! Check out the largest private project in the state. The length of two football fields the stormwater design will provide water quality treatment within the pavement column, while promoting infiltration and slow release of stormwater following large rain events. Check out the video here:Porous Pavement Flyover


Design, Permitting and Construction Oversight by Acorn Engineering



April 7th, 2016 - Excited to have Olivia judge at yesterday's Portland High School Reverse Engineering event. She had the opportunity to share some of Acorn's urban infill projects and promote the need for more women in our industry. Olivia Dawson


November 16-17th, 2015 - Thanks to everyone who attended the Maine Stormwater Conference. We were pleased to be a silver level sponsor for the event and have the opportunity to support continuing education in the stormwater field.

A special thanks to Jami Fitch and the rest of the team at Cumberland County Soil & Water Conservation District for organizing the venue; we look forward to attending again in 2017!


September 15th, 2015 - Sample City of Portland Stormwater Fee have been mailed. Contact Acorn Engineering to inspect your property property in order to maximize your stormwater credits and reduce your fee.


April 20th, 2015 - Acorn provided engineering and permitting services for the restoration and protection of Knight's Pond. Project partners included The Trust for Public Land, Town of Cumberland and North Yarmouth, Chebeague and Cumberland Land Trust and the Royal River Land Trust. For a birds eye view check out the project's UAV Video.


January 16th, 2014 - Acorn Engineering is pleased to present at today's Casco Bay High School Conference on Sustainable Engineering, Architecture and Building Design.


April 20th, 2013 - Acorn Engineering proudly assist the Town of Skowhegan with emergency engineering services related to the North Cemetery slope failure repair. For more information visit World-War-II-soldiers-remains-among-those-threatened-by-Skowhegan-erosion


October 23rd, 2012 - We are excited to announce the Whitten Brook Restoration project and community demostration site begins this week. For more information visit Whitten Brook Restoration Article


May 31st, 2012 - We are pleased to announce that Acorn Engineering was competively chosen assist the Town of Limington with the design of water quality improvements and erosion abatement measures to an existing parking lot adjacent to Pequawket Lake.


March 1st, 2012 - Acorn Engineering is excited to announce our sponsorship for the inaugural Urban Runoff 5K! The event will combine two of our passions; educating the public on urban stormwater and running. The fundraiser will provide for local clean water education programs throughout Southern Maine. Please visit the race website to register for the event.


March 15th, 2011 - Will Savage developed the first Site Specific Operation and Maintenance Plan (O&M Plan) for over 90 participating landowners within the Long Creek Watershed in South Portland, Maine. The O&M Plans were designed to define the inspection, record keeping, and maintenance requirements of the Long Creek Watershed Management Plan. Each O&M Plan was individually tailored to each parcel’s stormwater infrastructure, site characteristics, business operations, and their respective opportunities and limitations related to reducing the pollutant load on the urban impaired stream. Will worked on behalf of the Cumberland County Soil Water Conservation District for the Long Creek Watershed Management District. A special thanks to all the participating landowners for their time and resources contributing to the development of the first O&M Plan.


March 5th, 2011 - Acorn Engineering, Inc. interviewed for our involvement with the University of Southern Maine's first inaugural Rail Jam. USM Free Press - Article A "Rail Jam" is a term used in the snow industry to describe a competition where skiers and snowboarders perform stunts in a manufactured terrain park for the benefit of the crowd, judges and possibly the competitors wallet!


February 10th, 2011 - The Treasure Island Landowner Association will be presented with the York County Soil & Water Conservation District - Watershed Steward Award, 2010. The project included stormwater retrofits to the existing parking lot adjacent to Square Pond. The site includes approximately 100 parking spaces serving the Treasure Island residents and was listed as the single largest contributor of pollution by sedimentation to Square Pond. Acorn Engineering applied their engineering expertise to implement a cost effective stormwater solution by redirecting the stormwater into a rain garden, restoring the buffer adjacent to the pond while meeting the association concerns of not losing one parking space. The project was funded through a Maine DEP 319 Grant.


July 1st, 2010 - The Maine Department of Environmental Protection certifies Will Savage as a Qualified Post - Construction Stormwater Inspector.


June 18th, 2010 - A Letter of Recognition from Senator Justin Alfond  Read Letter


April 30th, 2010 - Acorn Engineering, Inc interviewed for our involvement with the Long Creek Watershed District's first annual assessment.


March 31st, 2010 - The Cumberland County Soil & Water Conservation District has recognized Acorn Engineering, Inc. as Contractor of the Year for its involvement with the Long Creek Restoration Project. This is the first time the District has recognized an engineering firm as their Contractor of the Year. Acorn Engineering, Inc. is a family owned civil engineering firm whose specialty includes storm water quality issues. At Acorn Engineering, Inc. we excel in developing comprehensive, cost-effective solutions to our clients' unique problems.

Will Savage, PE -  Project Manager Accepting the award.

November 20th, 2009 - Acorn Engineering, Inc. in partnership with Cumberland County Soil Water Conservation District submit the first Long Creek Watershed Management District - Annual Assessment. The assessment provides a summary of each parcels total credit for existing stormwater infrastructure and fee for total impervious surface resulting in a direct discharge. A special thanks to all the participating landowners for their time and resources contributing to the development of the first annual assessment.


October 16th, 2009 - Representatives from Acorn Engineering attend the 2009 State of the Estuaries Conference whose focus is water quality improvements, shellfish resources, land protection, and habitat restoration with the goal of protecting and enhancing nationally significant estuarine resources.


September 18th, 2009 - Representatives from Acorn Engineering volunteer their time to assist with the Philbrook Avenue Riparian Restoration, a large-scale planting project within the Long Creek Watershed.


September 9th, 2009 - Representatives from Acorn Engineering get their hands dirty at the 2009 Wetland Delineation / Identification and Site Evaluator Soil Pit Classification Workshop at Reid State Park.


April 15th, 2009 - Acorn Engineering approved by the Maine DOT as a Pre-qualified Consultant for the followings services:

  • Surface Water Quality, Post Construction Stormwater Management
  • Hydraulics & Hydrologic Studies
  • Maintenance Lot Site Development
  • Highway Inspection, Construction Management & Support Services
  • Bridge Construction Inspection
  • Bridge Construction Management & Support Services
For more information see our Engineering Services.


January 1st, 2009 - The Tattle Street Association presented with the 2008 Lake Stewardship Award for restoration efforts within the Mousam Lake Watershed by the York County Soil & Water Conservation District. Acorn Engineering, assisted the association with the restoration project by providing engineering analysis & drawings for the installation of a new 54 in culvert, camp road best management practices (BMP's), and erosion control measures.


July 8th, 2008 - Will Savage completes the Certified Erosion, Sediment Storm Water Inspector (CESSWI) exam to become the first certified individual in Maine. A CESSWI must demonstrate their proficiencies in construction and post construction inspection skills and knowledge of the EPA's National Pollutant Discharge Elimination System (NPDES). This certification further demonstrates Acorn Engineering's continuing dedication as a industry leader in erosion and stormwater inspections. For more information please see our Third Party Services


June 9th, 2008 – With great anticipation the Long Creek Restoration Project will release its report outlining the strategy for restoring the Long Creek watershed. The water body, like many around the state, is classified as an urban impaired stream, and does not meet state or federal water quality standards. The plan shall literally be a watershed event by creating a model of how other Maine communities can come together to solve the ever growing issue of stormwater pollution. Will Savage of Acorn Engineering has been an active committee member volunteering his time and experience.  At Acorn Engineering a core belief is in serving the community though outreach and participation.  For more information on the project please visit the following link


June 7th, 2008 - Representatives from Acorn Engineering lend a hand with the the cleanup of the new Bayside Trail, in Portland. The event was hosted by The Trust for Public Land and Portland Trails. If you click on the attached link you can see Will Savage, in green, volunteering his Project Management skills! He promises us that he was also working diligently. Willing to work for clean trails | Portland Press Herald



May 20th, 2008 - Will Savage passed the Certified Professional in Erosion and Sediment Control exam (CPESC). A CPESC must demonstrate (through education, experience, and examination), knowledge of effective and economical methods of minimizing soil erosion and sediment transport due to land disturbing activities. For more information please visit our Third Party Services


May 3rd, 2008 - Representatives from Acorn Engineering assist the West End Neighborhood Association (WENA) with their annual neighborhood cleanup. It provided a first hand experience of the importance of street sweeping! A good time was had by all.


April 9th, 2008 - Representatives from Acorn Engineering attended the University of New Hampshire - Stormwater Technology Demonstration Workshop. UNH - Project Brief

Topics included side by side comparisons of the effectiveness of various stormwater treatment devices, including the use of Pervious Pavement, also called Porous Pavement, filtration devices, manufactured devices, tree box, and traditional detention ponds. For more information visit Thank-you Robert Roseen, PE, Ph.D. for your informative workshop!

April 8th, 2008 - Acorn Engineering launches its News web page! Please check back from time to time for updates. Feel free to send comments or discussion topics to