Owners of new or modified lagoons registered under the provisions of this Act shall establish and maintain evidence of financial responsibility to provide for the closure of the lagoons and the proper disposal of their contents within the time provisions outlined in this Act. Financial responsibility may be evidenced by any combination of the following:
The level of surety required shall be determined by rule and be based upon the volumetric capacity of the lagoon. Surety instruments required under this Section shall be required after the effective date of rules adopted for the implementation of this Act.
510 ILCS 77/17