70 ILCS 605/7-3: Employment of engineer - Engineer's report.

The commissioners shall, unless otherwise authorized by the court, employ an engineer who shall be a registered professional engineer, competent in the design and operation of drainage systems, to assist them in the performance of their duties. If an engineer is so employed, he shall make such surveys and estimates as the commissioners may direct, and he shall report to the commissioners in the manner prescribed by Section 3-14.