Versions of Iowa Code 459A.301 - Settled open feedlot effluent basins and animal truck wash effluent structures -- construction design standards -- rules on LawServer 2024 Iowa Code 459A.301 – Settled open feedlot effluent basins and animal truck wash effluent structures — construction design standards — rules 2023 Iowa Code 459A.301 – Settled open feedlot effluent basins and animal truck wash effluent structures — construction design standards — rules 2022 Iowa Code 459A.301 – Settled open feedlot effluent basins and animal truck wash effluent structures — construction design standards — rules. 2020 Iowa Code 459A.301 – Settled open feedlot effluent basins and animal truck wash effluent structures — construction design standards — rules. 2018 Iowa Code 459A.301 – Settled open feedlot effluent basins and animal truck wash effluent structures — construction design standards — rules. 2016 Iowa Code 459A.301 – Settled open feedlot effluent basins and animal truck wash effluent structures 2014 Iowa Code 459A.301 – Settled open feedlot effluent basins – construction design standards – rules. 2009 Iowa Code 459A.301 – Settled open feedlot effluent basins — construction design standards — rules
