Protecting & Restoring Long Island's Peconic Bays



The groundwater category includes installation of permeable reactive barriers (PRBs) to remediate elevated nitrogen levels in groundwater.

Permeable Reactive Barrier

Permeable Reactive Barrier

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AECOM (AECOM Technical Services, Inc.), 2016. Amended Comprehensive Wastewater Management Plan, Appendix R: Technical Memo – Preliminary Engineering Work Plan for Permeable Reactive Barriers. Prepared for the Town of Orleans, Massachusetts. May 19, 2016.

Beganskas, S., G. Gorski, T. Weathers, A.T. Fisher, C. Schmidt, C. Saltikov, K. Redford, B. Stoneburner, R. Harmon, and W. Weir, 2018. “A Horizontal Permeable Reactive Barrier Stimulates Nitrate Removal and Shifts Microbial Ecology During Rapid Infiltration for Managed Recharge.” Water Research 144:274–284.

Cape Cod Commission, 2020. “Technology Matrix.” Available at:

Graffam, M., R. Paulsen, and N. Volkenborn, 2020. “Hydro-Biogeochemical Processes and Nitrogen Removal Potential of a Tidally Influenced Permeable Reactive Barrier Behind a Perforated Marine Bulkhead.” Ecological Engineering 155:105933.

ITRC (The Interstate Technology & Regulatory Council), 2011. Permeable Reactive Barrier Technology Update. Prepared by the Interstate Technology & Regulatory Council PRB: Technology Update Team. June 2011.

Vallino, J. and K. Foreman, 2008. Effectiveness of Reactive Barriers for Reducing N-Loading to the Coastal Zone. A Final Report Submitted to the NOAA/UNH Cooperative Institute for Coastal and Estuarine Environmental Technology. February 2008.

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