Wildland-Urban Interface Law and Legal Definition
According to 16 USCS § 6511 (16), [Title 16. Conservation; Chapter 84. Healthy Forest Restoration; Hazardous Fuel Reduction on Federal Land] the term wildland-urban interface means--
“(A) an area within or adjacent to an at-risk community that is identified in recommendations to the Secretary in a community wildfire protection plan; or
(B) in the case of any area for which a community wildfire protection plan is not in effect--
(i) an area extending 1/2 -mile from the boundary of an at-risk community;
(ii) an area within 1 1/2 miles of the boundary of an at-risk community, including any land that--
(I) has a sustained steep slope that creates the potential for wildfire behavior endangering the at-risk community;
(II) has a geographic feature that aids in creating an effective fire break, such as a road or ridge top; or
(III) is in condition class 3, as documented by the Secretary in the project-specific environmental analysis; and
(iii) an area that is adjacent to an evacuation route for an at-risk community that the Secretary determines, in cooperation with the at-risk community, requires hazardous fuel reduction to provide safer evacuation from the at-risk community.”