There is hereby created and established a court to be held in the City of Texas City which shall be known as the municipal court of the City of Texas City, which court shall have jurisdiction within the territorial limits of said city of all criminal cases arising under the ordinances of such city, and shall have concurrent jurisdiction with the justices of the peace of the precincts in which the city is or may be situated of all criminal cases arising under the criminal laws of the state, where the offense is committed within the territorial limits of said city and the punishment is by fine only and the maximum of said fine shall not exceed that set by state law. Said court shall have no civil jurisdiction, except for the forfeiture and collection of bonds given in proceedings pending therein. It shall also have jurisdiction of violations of ordinances of the city enacted for the preservation and protection of the watersheds of the city’s water supply and the purity of the water supply of the city, whether such offenses are committed inside or outside of the corporate limits of the City of Texas City. Said court shall have jurisdiction in cases where a person is required by the provisions of this Charter, or by ordinance passed in pursuance thereof, to obtain a license for any calling, occupation, business or vocation, upon complaint before said court to adjudge said person guilty of violating any rule, regulation or ordinance of the city in relation thereto, and in addition to the punishment to be imposed therefor may suspend or revoke the license so granted.