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Decomp Physical Model (DPM)

Picayune Strand Pump Station

The Decomp Physical Model (DPM) is a field-scale test that is being conducted along a 3,000-foot stretch of the L-67A and L-67C levees and canals in WCA- 3A and 3B to determine how best to design and formulate plans for future decompartmentalization of WCA-3, as visualized in the Comprehensive Everglades Restoration Plan (CERP). The DPM is designed to address scientific, hydrologic and water management uncertainties that require clarification prior to future planning and construction of Everglades restoration projects, authorized in the Water Resources Development Act of 2000.

Installation of the DPM was completed in October 2013.The first operational testing period was conducted from November - December 2013, and the second operational testing period was conducted from November 2014 - January 2015.

Access through the L-67A canal will remain open during and after installation. Access through the northern portion of L-67C will be blocked until the model is decommissioned.

What's New

DRAFT SUPPLEMENTAL FINDING OF NO SIGNIFICANT IMPACT

The Draft Supplemental Finding of No Significant Impact (FONSI) for the Decomp Physical Model (DPM) is now available for public and agency review.   Comments will be accepted through June 18, 2015.

Comments will be accepted through June 18, and can be sent electronically to melissa.a.nasuti@usace.army.mil, or mailed to:

Melissa Nasuti
U.S. Army Corps of Engineers Jacksonville District
P.O. Box 4970
Jacksonville, FL 32232-0019

The Draft Supplemental FONSI supplements the Installation, Testing and Monitoring of a Physical Model for the Water Conservation Area (WCA) 3 Decompartmentalization (Decomp) and Sheet Flow Enhancement Project Final Environmental Assessment (EA) and Design Test Documentation Report (DTDR) previously completed and signed April 13, 2010.