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The U.S. Army Corps of Engineers has announced the release of a draft report for the New Jersey Back Bays Coastal Storm Risk Management Study. The report outlines a ‘Tentatively Selected Plan’ framework, which includes three storm surge barriers, two cross-bay barriers, and the elevation of more than 18,000 structures to reduce the risk of flood damages associated with storm surge. It’s important to note that the plan is subject to change. It has not yet been approved by higher authorities, including Congress, and has not been funded for implementation at the federal or state level.
On September 20 and 21st 2021, USACE hosted virtual meetings focusing on the draft report release and Tier 1 Environmental Impact Statement.
Historic storms, including Hurricane Sandy, have severely impacted the back bay communities of coastal New Jersey. The New Jersey Back Bay Study developed out of the larger North Atlantic Coast Comprehensive Study which identified nine high-risk areas on the Atlantic Coast for further in-depth analysis. The study area is located behind the New Jersey barrier islands of Monmouth, Ocean, Burlington, Atlantic and Cape May Counties and includes the set of interconnected water bodies and coastal lakes that are separated from the Atlantic Ocean. The purpose of the study is to investigate Coastal Storm Risk Management strategies and solutions to reduce damages from coastal flooding affecting population, critical infrastructure, critical facilities, property, and ecosystems. The Study will consider the full array of structural, non-structural, and natural and nature-based measures. Examples are highlighted in the below chart.
The study will consider past, current, and future coastal storm risk management and resilience planning initiatives and projects underway by the USACE and other Federal, State, and local agencies. Three overarching efforts will be performed:
During storms, elevated ocean levels convey water (i.e. storm surge) primarily through coastal inlets. This subsequently raises water levels in back bays and causes flooding. Additionally, wind activity can push water in certain directions within the back bay areas and further exacerbate flooding.
The U.S. Army Corps of Engineers and the New Jersey Department of Environmental Protection released an Interim Report that presents a focused array of alternative plans that manage risk and reduce damages from coastal storms. The report also outlines the engineering, economic, social, and environmental analyses that have been conducted to date.
Comments are accepted on an ongoing basis throughout the study process.
By email: PDPA-NAP@usace.army.mil