Ministry of Agriculture and Forestry, Finland NB: Unofficial translation; legally binding texts are those in Finnish and Swedish. Government Decree on Flood Risk Management 659/2010 Section 1 – Preliminary flood risk assessment (1) The preliminary assessment of flood risk due to river and lake floods is conducted according to river basins. The preliminary assessment of flood risk due to the rise in the sea level is conducted according to the territories of the Centres for Economic Development, Transport and the Environment. (2) The preliminary assessment of flood risk in river basins and coastal areas comprises: 1) maps drawn up on the appropriate scale, showing the relative altitudes of the river basin and the coastal area, realised and planned land use and other necessary information for assessing the flood risk; 2) a description of earlier flood events, their extent and the adverse consequences referred to in section 8(1) of the Flood Risk Management Act (620/2010) they may have ca...