Pursuant to the general laws of the state and the powers granted by the charter of the City, the City has heretofore acquired, constructed, and now operates and maintains within the City a Publicly Owned Treatment Works (POTW), sewers, equipment, and appurtenances necessary, useful, and convenient for a complete sewer system, and the City Council declares its intention to operate and maintain said sewer system and to acquire and construct additions and improvements thereto, including maintenance and reconstruction, as may be necessary, useful, and convenient for a complete wastewater collection system and Publicly Owned Treatment Works (POTW).