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L&W Home > Special Topics > Coastal Sand Dunes Systems

Coastal Sand Dune Systems

Picture: A damaged frontal dune home at Hunnewell Beach in Phippsburg. MGS File Photos by J. T. Kelley, (1983)

Related page: Please see the NRPA Page for rules, forms, and contacts related to activities in Coastal Sand Dune Systems.

Introduction

Unlike most terrestrial systems, the coastal dune system moves over the landscape and across property boundaries. This migrating dune system is difficult to preserve. However, it needs to be protected and restored. A healthy dune system protects property by reducing the energy of storm waves. It is the best defense against coastal flooding, erosion, and sea-level rise. It provides tremendous economic benefit to the local economy. A healthy coastal sand dune system is also the least costly way to maintain a recreational beach for future generations.

Legislative Report

Recent Previous Rulemaking (History)


2005 - 2006 Rulemaking

2003 - 2004 Rulemaking

picture:  houses elevated on posts

Photo: Phippsburg. After neighboring homes were destroyed by waves in 1983 (see photo top of page), other homes were moved landward and elevated on posts. S.M. Dickson (1989).

Definitions

"Coastal sand dune systems" means sand and gravel deposits within a marine beach system, including, but not limited to, beach berms, frontal dunes, dune ridges, back dunes nd other sand and gravel areas deposited by wave or wind action. Coastal sand dune systems may extend into coastal wetlands. 38 MRSA 480-B(1)

The term "sand dune system" is used interchangeably with the terms "beach system, " coastal sand dune," "coastal sand dune system," and "dune system". The statutory definition of "coastal sand dune systems" in 38 M.R.S.A. Section 480-B(1) applies equally to all these terms. Sand dune systems include sand deposits within a marine beach system which have been artificially covered by structures, lawns, roads, and fill. Sand dune systems also include all vegetation which is native to and occurring in the system. 06-096 CMR 355(1)(W)

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Wells Beach. DEP File Photo by Bill Bullard (2003)