Details for PUBLIC NOTICE #0189

PUBLIC NOTICE _______________________ #0189 Lawrence Livermore National Laboratory Issues Floodplain and Wetland Assessment for a Proposed Corral Hollow Road Widening Project adjacent to the Site 300 Experimental Test Site Lawrence Livermore National Security, LLC (LLNS) is proposing to modify and upgrade a San Joaquin County Road (Corral Hollow Road) at the entrance to the Lawrence Livermore National Laboratory (LLNL) Experimental Test Site (Site 300). LLNS operates LLNL under contract with the Department of Energy/National Nuclear Security Administration (DOE/NNSA). The purpose of the proposed project is to implement traffic safety improvements at the Site 300 entrance and exit area. This project includes widening Corral Hollow Road which will encroach on the 100-year Corral Hollow Creek floodplain. In addition, a very small artificial wetland occurs within the footprint of the project site. DOE/NNSA has prepared this Floodplain and Wetland Assessment in accordance with 10 Code of Federal Regulations (CFR) 1022, Compliance with Floodplain and Wetland Environmental Review Requirements, which was promulgated to implement DOE requirements under Executive Order 11988 Floodplain Management and Executive Order 11990 Protection of Wetlands. This Floodplain and Wetland Assessment evaluates potential impacts on floodplain and wetland values and functions from the implementation of the Corral Hollow Road Widening Project, identifies alternatives to the proposed action, and allows for meaningful public comment. A 15-day public review and comment period will commence on April 9, 2021 and conclude on April 24, 2021. Public comments or questions can be submitted to After the close of the public comment period, and prior to the start of the Corral Hollow Road Widening Project, DOE/NNSA will issue a Floodplain Statement of Findings. The Floodplain and Wetland Assessment is available online at or under NEPA. Tracy Press: April 9, 2021


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