Iowa Admin. Code r. 199-9.9
A pipeline company shall fully cooperate with county inspectors in the performance of their duties under Iowa Code sections 479.29 and 479B.20, including giving proper notice before staking, clearing, boring, topsoil removal and stockpiling, trenching, tile marking, silt screening, tile repair or backfilling, decompaction, cleanup, restoration, or testing of any easement. The pipeline company shall pay the reasonable costs for any work provided during the pipeline construction by the county inspector. If the pipeline company or its contractor does not comply with the requirements of Iowa Code section 479.29 or 479B.20, with the land restoration plan, or with an independent agreement on land restoration or line location, the county board of supervisors may petition the utilities commission for an order requiring corrective action to be taken. The county board of supervisors may also file a complaint with the commission seeking imposition of civil penalties.
Iowa Admin. Code r. 199-9.9