1. a) The Board has the authority to determine, define and implement the environmental control standards applicable in the State of Illinois and may adopt rules and regulations in accordance with Title VII of the Act. [415 ILCS 5/5(b)]
2. b) The Board has the authority to conduct proceedings upon complaints charging violations of the Act, any rule or regulation adopted under the Act, any permit or term or condition of a permit, or any Board order; upon administrative citations; upon petitions for variances, adjusted standards, or time-limited water quality standards; upon petitions for review of the Agency's final determinations on permit applications in accordance with Title X of the Act; upon petitions to remove seals under Section 34 of the Act; and upon other petitions for review of final determination which are made pursuant to the Act or Board rules and which involve a subject which the Board is authorized to regulate. The Board may also conduct other proceedings as may be provided by the Act or any other statute or rule. [415 ILCS 5/5(d)]
3. c) In addition to subsections (a) and (b), the Board has the authority to act as otherwise provided by law.

(Source: Amended at 43 Ill. Reg. 9674, effective August 22, 2019)