70 ILCS 2405/4
The trustees shall constitute a board of trustees for the district. The board of trustees is the corporate authority of such sanitary district, and shall exercise all the powers and manage and control all the affairs and property of the 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, one of their number as vice-president, and from or outside of their membership a clerk and an assistant clerk. In case of the death, resignation, absence from the State, or other disability of the president, the powers, duties and emoluments of the office of the president shall devolve upon the vice-president, until such disability is removed or until a successor to the president is appointed and chosen in the manner provided in this Act. The board may select a treasurer, engineer and attorney for the district, and a board of local improvements consisting of 5 members in any sanitary district which includes one or more municipalities with a population of over 90,000 but less than 500,000 according to the most recent Federal census and consisting of 3 members in any other district, all of whom may be trustees or other citizens of the sanitary district. The board may appoint such other officers and hire such employees to manage and control the operations of the district as it deems necessary; provided, however, that the board shall not employ an individual as a wastewater operator whose Certificate of Technical Competency is suspended or revoked under rules adopted by the Pollution Control Board under item (4) of subsection (a) of Section 13 of the Environmental Protection Act. The board may appoint a chief administrative officer for a term not to exceed 4 years subject to removal by the board for cause. Appointment of the chief administrative officer may be renewed as often as the board deems necessary. All other persons selected by the board shall hold their respective offices during the pleasure of the board, and all persons selected by the board shall give such bond as may be required by the board. The board may prescribe the duties and fix the compensation of all the officers and employees of the sanitary district. However, no member of the board of trustees shall receive more than $6,000 per year.
The board of trustees has full power to pass all necessary ordinances, rules and regulations for the proper management and conduct of the business of the board and the corporation, and for carrying into effect the objects for which the sanitary district was formed. Such ordinances may provide for a fine for each offense of not less than $100 or more than $1,000. Each day's continuance of such violation shall be a separate offense. Fines pursuant to this Section are recoverable by the sanitary district in a civil action. The sanitary district is authorized to apply to the circuit court for injunctive relief or mandamus when, in the opinion of the chief administrative officer, such relief is necessary to protect the sewerage system of the sanitary district.
70 ILCS 2405/4