Iowa Code
Chapter 479A - INTERSTATE NATURAL GAS PIPELINES
Section 479A.11 - Damages.

479A.11 Damages.
A pipeline company operating pipelines or underground storage shall be given reasonable access to the pipelines and storage areas for the purpose of constructing, operating, maintaining, or locating their pipes, pumps, pressure apparatus, or other stations, wells, devices, or equipment used in or upon a pipeline or storage area, but shall pay the owner of the lands for the right of entry and the owner of crops on the land all damages caused by entering, using, or occupying the lands for these purposes; and shall pay to the owner of the lands, after the completion of construction of the pipeline or storage, all damages caused by settling of the soil along and above the pipeline, and wash or erosion of the soil along the pipeline due to the construction of the pipeline. However, this section does not prevent the execution of an agreement with other terms between the pipeline company and the owner of the land or crops with reference to their use.
88 Acts, ch 1074, §11; 95 Acts, ch 192, §19