499.5A  Water utilities — members of federated associations.
  Notwithstanding section 499.13, a water utility organized under this chapter, a municipal water utility, or a water district organized under chapter 357, 357A, or 504 may be a member of a federated association.
88 Acts, ch 1172, §4; 94 Acts, ch 1137, §2; 2004 Acts, ch 1049, §191; 2004 Acts, ch 1175, §393