The rule of "reasonable use" shall apply to groundwater withdrawals in the State.
525 ILCS 45/6
Reasonable Use
Known as the Water Use Act
The act spans §§ 525-45-1 to 525-45-7 (10 sections).
P.A. 83-700.
Official source: Illinois General Assembly. Reproduced from public-domain Illinois statutes; confirm against the official source for the current text. Not legal advice.