35 Ill. Adm. Code 309.102
NPDES Permit Required
Section 309
Section 309.102 NPDES Permit
Required
a) Unless it complies with the Act, Board regulations, the CWA,
and the provisions and conditions of the NPDES permit issued to the discharger,
the discharge of any contaminant or pollutant by any person into the waters of
the State from a point source or into a well is unlawful.
b) Neither an NPDES permit nor a state permit is required for any
discharge into a well that is authorized by a UIC (Underground Injection
Control) permit issued by the Agency under 35 Ill. Adm. Code 702 and 704. For these
wells, compliance with the UIC permit requirements of Section 12(g) of the Act is
deemed compliance with the NPDES permit requirement of Section 12(f) of the
Act.