Versions of Iowa Code 476.84 - Water, sanitary sewer, and storm water utilities -- acquisitions -- advance ratemaking on LawServer 2023 Iowa Code 476.84 – Water, sanitary sewer, and storm water utilities — acquisitions — advance ratemaking 2022 Iowa Code 476.84 – Water, sanitary sewer, and storm water utilities — acquisitions — advance ratemaking. 2020 Iowa Code 476.84 – Water, sanitary sewer, and storm water utilities — acquisitions — advance ratemaking. 2009 Iowa Code 476.84 – and 476.85Â Reserved