The city, acting by and through its duly authorized officers, agents and representatives, shall have the power to define all nuisances and prohibit the same within the city and outside the city for a distance of five thousand (5,000) feet; to police all parks or grounds, speedways or boulevards owned by the city and lying outside of the city; to prohibit the pollution of any stream, drain or tributary thereof, which may constitute a source of water supply of any city, and to provide for policing the same, as well as to provide for the protection of any watersheds and the policing of the same; to inspect dairies, poultry houses, slaughter pens and slaughter houses inside or outside the city from which meat or milk is furnished to the inhabitants of the city; as provided in Section 217.042, Local Government Code, which grants such powers and authorizes such acts. All powers granted under said section are specifically adopted and made a part hereof.
(1995 Code of Ordinances, Chapter 7, Article 7.100, Section 7.101)