Versions of Iowa Code 460.203 - Closing of agricultural drainage wells and construction of alternative drainage systems on LawServer 2024 Iowa Code 460.203 – Closing of agricultural drainage wells and construction of alternative drainage systems 2023 Iowa Code 460.203 – Closing of agricultural drainage wells and construction of alternative drainage systems 2022 Iowa Code 460.203 – Closing of agricultural drainage wells and construction of alternative drainage systems 2020 Iowa Code 460.203 – Closing of agricultural drainage wells and construction of alternative drainage systems 2018 Iowa Code 460.203 – Closing of agricultural drainage wells and construction of alternative drainage systems 2016 Iowa Code 460.203 – Closing of agricultural drainage wells and construction of alternative drainage systems 2014 Iowa Code 460.203 – Closing of agricultural drainage wells and construction of alternative drainage systems. 2009 Iowa Code 460.203 – Closing of agricultural drainage wells and construction of alternative drainage systems