NNSA Issues Floodplain Statement Of Findings For Proposed Intersection Upgrade

NNSA News:

The Department of Energy National Nuclear Security Administration’s Los Alamos Field Office (DOE/NNSA) has issued a Floodplain Statement of Findings for the New Mexico State Road 4 and East Jemez Road Intersection at Los Alamos National Laboratory Santa Fe County, New Mexico (Statement of Findings) based on the June 2020 Floodplain Assessment and public comments.

DOE/NNSA is proposing to modify and upgrade the intersection of New Mexico State Road 4 (NM 4) and East Jemez Road (Proposed Action). The purpose of the Proposed Action is to improve safety and increase the capacity and efficiency of the intersection. Road and intersection upgrades will add extra lanes to both NM 4 and East Jemez Road in the vicinity of the intersection and will require widening both roads. 

Widening East Jemez Road will encroach on the 100-year lower Sandia Canyon floodplain. DOE/NNSA has reevaluated the Proposed Action and found that there are no practicable alternatives that would locate the Proposed Action outside a floodplain; identified mitigation measures that would avoid or minimize impacts to the floodplain; and taken into account all substantive comments received during the Floodplain Assessment public comment period. Post construction, the floodplain will retain the same values and functions as present prior to intersection modification. No intersection modifications and upgrades will be implemented, if appropriate, until the National Environmental Policy Act analysis is completed.

The Statement of Findings can be accessed online at https://energy.gov/node/4462085.


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