70 ILCS 3710/5
The trustee shall exercise all of the powers and control all the affairs and property of such district. The board of trustees, immediately after their appointment and at their first meeting in May of each year thereafter, shall elect one of their number as president and one of their number as secretary. The board shall prescribe the duties and fix the compensation of all of the officers and employees of the water service district: Provided that a member of the board of trustees shall in no case receive a sum to exceed $50.00 per annum. The board of trustees shall have full power to sell water to individuals or to municipalities or public utilities operating water distribution systems either within or without the water service district, and to pass all necessary ordinances, rules and regulations for the proper management and conduct of the business of the water service district for carrying into effect the objects for which the district was formed.
70 ILCS 3710/5