77 Ill. Adm. Code 800.1300
Boating
Section 800
Section 800.1300Â Boating
a)Â Â Â Â Â Â Â Â At marinas where docking of boats having self-contained
toilets is permitted in recreational areas, facilities for disposal of sewage
from the boat holding tanks shall be provided.
b)Â Â Â Â Â Â Â Â Where boat docking facilities are provided for overnight
sleeping in recreational areas, at least one toilet for males and one toilet
for females shall be available within 500 feet.