This bill, titled the Sloan Canyon Conservation and Lateral Pipeline Act, proposes to amend the Sloan Canyon National Conservation Area Act. It adjusts the **boundary** of the Conservation Area by updating the official map and increasing its total acreage from 48,438 to 57,728 acres. A key provision mandates the Secretary of the Interior to grant the **Southern Nevada Water Authority** a temporary and permanent **right-of-way** for the Horizon Lateral Pipeline. This right-of-way, which is not subject to rents, is for constructing and operating water transmission facilities, including geotechnical investigations and related infrastructure outside the Conservation Area. The Authority may excavate and dispose of tunneling materials, and the right-of-way must include reasonable terms to protect Conservation Area resources, avoid permanent adverse effects on surface resources, and not be located within wilderness areas. The boundary expansion is explicitly made subject to **valid existing rights**, including designated utility transmission corridors and approved transmission line rights-of-way. It ensures that authorized activities within these corridors, such as operation and maintenance, are not precluded, and clarifies that the existing management framework for the Sloan Canyon National Conservation Area remains unchanged, except for the pipeline right-of-way.