Nebraska Revised Statute 14-219
The mayor shall be the chief executive officer and conservator of the peace throughout the city. He shall have such jurisdiction as may be vested in him by ordinance over all places within three miles of the corporate limits of the city, for the enforcement of any health and quarantine ordinance or the regulations thereof.
Laws 1921, c. 116, art. II, § 18, p. 430;
C.S.1922, § 3544;
C.S.1929, § 14-219;
R.S.1943, § 14-219;
Laws 1976, LB 782, § 10.