Section 1115-Z. Limited liability

Neither the members of the authority or
  the water board, nor any officer or employee of  the  authority  or  the
  water  board  acting in behalf thereof, while acting within the scope of
  his authority, shall be subject to any liability resulting from (i)  the
  construction,   ownership,  maintenance  or  operation  of  any  project
  financed with the assistance of the authority,  (ii)  the  construction,
  ownership,  maintenance  or operation of any sewerage system or facility
  or water system or facility owned by the water board, or (iii)  carrying
  out  any  of the powers expressly given in this title. Any member of the
  authority, either appointed by the governor or an employee of the  state
  shall  be  deemed  an "employee" for purposes of section eighteen of the
  public officers law for any actions relating to their  activities  as  a
  member of the authority created by this state.