35 Ill. Adm. Code 602.400
Algicide Permit Requirement
Section 602.400 Algicide Permit
Requirement
a)
A person must not apply an algicide,
copper sulfate, a copper sulfate-based product, or a copper sulfate chemical aid
to any stream, reservoir, lake, pond, or other body of water used as a
community water supply source without an Algicide Permit issued by the Agency.
b) Permits issued under
this Subpart D will be valid for community water supply sources only.