(510 ILCS 77/10.25)
    Sec. 10.25. Lagoon. "Lagoon" means any excavated, diked, or walled structure or combination of structures designed for biological stabilization and storage of livestock wastes. A lagoon does not include structures such as manufactured slurry storage structures or pits under buildings as defined in rules under the Environmental Protection Act concerning agriculture related pollution.
(Source: P.A. 89-456, eff. 5-21-96.)