66.24  Want of probable cause.
  If the action is instituted upon complaint of citizens, and it appears to the court that there was no reasonable cause for filing the complaint, such expense may be taxed as costs against the complaining parties.
[S13, §1258-i; C24, 27, 31, 35, 39, §1112; C46, 50, 54, 58, 62, 66, 71, 73, 75, 77, 79, 81, §66.24]