Versions of Iowa Code 30.7 - Civil action on LawServer 2024 Iowa Code 30.7 – Civil action 2023 Iowa Code 30.7 – Civil action 2022 Iowa Code 30.7 – Civil action 2020 Iowa Code 30.7 – Civil action 2018 Iowa Code 30.7 – Civil action 2016 Iowa Code 30.7 – Duties to be allocated to department of natural resources 2014 Iowa Code 30.7 – Duties to be allocated to department of natural resources – emergency and hazardous chemicals. 2009 Iowa Code 30.7 – Duties to be allocated to department of natural resources — emergency and hazardous chemicals