LEGAL NOTICE

LEGAL NOTICE Travis County, Transportation and Natural Resources and the City of Austin Watershed Protection in accordance with National Flood Insurance Program regulation 65.7(b)(1), hereby gives notice of Tesla's intent to revise the flood hazard information, generally located between Bagby Drive and the confluence of Elm Creek and Gilleland Creek east of Dunlap Road. The flood hazard revisions are being proposed as part of Conditional Letter of Map Revision (CLOMR) Case No. 26-06-0477R for a proposed project along Elm Creek, Diversion Channel, Colorado River, Elm Creek tributary 1, Unnamed Tributary 1 to Elm Creek and Unnamed Tributary 2 to Elm Creek. Tesla is proposing to construct a culvert, detention pond, stilling basin, and diversion channel as part of the Harold Green Road project, which will connect the northbound access road of SH130 with Austins Colony Boulevard. Once the project has been completed, a Letter of Map Revision (LOMR) request will be submitted that will, in part, revise the following flood hazards along Elm Creek, Diversion Channel, Elm Creek tributary 1, Unnamed Tributary 1 to Elm Creek and Unnamed Tributary 2 to Elm Creek. The floodway will be revised from Cannan Matthew Drive to the FM969 crossing along Elm Creek. The floodway will increase and decrease within the revised area. A floodway will be established from the confluence of the Diversion Channel with the Colorado River to the upstream end of the Diversion Channel where it diverges from Elm Creek west of Wickham Lane. Base Flood Elevations (BFEs) will increase and decrease along Elm Creek and be established along Diversion Channel, Unnamed Tributary 1 to Elm Creek and Unnamed Tributary 2 to Elm Creek. The SFHA will increase and decrease along Elm Creek and Elm Creek Tributary 1 and be established along Diversion Channel, Unnamed Tributary 1 to Elm Creek and Unnamed Tributary 2 to Elm Creek Maps and detailed analysis of the revision can be reviewed at the Travis County Transportation and Natural Resources office at 700 Lavaca St, 5th Floor, Austin, TX 78701 or 505 Barton Springs Road, 12th Floor, Austin, TX 78704. Interested persons with any questions or concerns about the proposed project or its effect on your property, may contact April Carey, P.E., CFM, PMP, WSP USA, at 210-810-4936 or April.Carey@wsp.com or Shawn Snyder, CFM, Floodplain Administrator for Travis County, at 512-854-7563 or shawn.snyder@traviscountytx.gov or Kevin Shunk, P.E., CFM, Floodplain Administrator for City of Austin, at 512-974-9176. October 9 2026 IPLAAS0168331