The Department of Natural Resources adopted emergency amendments to Iowa Admin. Code r. 9, Groundwater Hazard Documentation. The amendments improve the implementation of the septic tank time-of-transfer requirements and simplify for county recorders the determination of when a Groundwater Hazard Statement is required. http://www.legis.state.ia.us/asp/ACODOCS/DOCS/07-29-2009.Bulletin.pdf pp. 322-23.