225 ILCS 725/2
The provisions of this Act do not apply to quarry drill or blast holes, nor to seismograph test holes.
The provisions of this Act do not apply to geological, structure, coal or other mineral test holes, or monitoring wells in connection with any activity regulated by the Department, except that notification of intent to drill accompanied by the required fee as established by the Department and a bond shall be filed with the Department, a permit shall be obtained, and all holes shall be plugged under the supervision of the Department. The bond shall be executed by a surety, authorized to transact business in this State, in the amount of $2500 for each permit or a blanket bond of $25,000 for all permits. In lieu of the surety bond, the applicant may provide cash, certificates of deposit, or irrevocable letters of credit as security for the plugging obligation under the terms and conditions as the Department may provide by rule.
Information and records of the Department in connection with the drilling of any geological, structure, coal, or other mineral test hole shall be kept confidential, if requested in writing by the permittee, for a period of 2 years following the date the permit was issued.
225 ILCS 725/2