October 13, 2014, by Decree # 5300, the Ministry of environment and protection of land and sea together with the Agenzia del demanio, recorded at the Court of Auditors on 1 St December 2014, Reg. # 1, sheet # 4281, it was placed the passage from the State of the State of a section of the former bed of the river Staffora in the commune of Rivanazzano Terme (PV), distinct in N.C.T. of the same commune to 693 and 694 particles No 13 sheet.