35 Ill. Adm. Code 704.105
Specific Inclusions and Exclusions
Section 704
Section 704.105 Specific
Inclusions and Exclusions
a) The following wells are included among those types of
injection activities that are covered by the UIC regulations. (This list is
not intended to be exclusive but is for clarification only.)
1) Any injection well located on a drilling platform inside territorial
waters of the State of Illinois;
2) Any dug hole or well that is deeper than its largest surface
dimension, where the principal function of the hole is emplacement of fluids;
3) Any well used by generators of hazardous waste, or by owners
or operators of hazardous waste management facilities, to dispose of fluids
containing hazardous waste. This includes the disposal of hazardous waste into
what would otherwise be a septic system or cesspool, regardless of its
capacity;
4) Any septic tank, cesspool, or other well used by a multiple
dwelling, community, or regional system for the injection of wastes.
b) The following are not covered by this Part:
1) An injection well located on a drilling platform or other site
that is beyond the territorial waters of the State of Illinois;
2) An individual or single family residential waste disposal system,
such as a domestic cesspool or septic system;
3) A nonresidential cesspool, septic system, or similar waste
disposal system if such system is used solely for the disposal of sanitary
waste, and has the capacity to serve fewer than 20 persons a day;
4) An injection well used for injection of hydrocarbons that are
of pipeline quality and are gases at standard temperature and pressure for the
purpose of storage;
5) Any dug hole, drilled hole, or bored shaft that is not used
for the subsurface emplacement of fluids;
6) A Class II injection well.
c) The prohibition applicable to a Class IV injection well under
Section 704.124 does not apply to injection of hazardous wastes into an aquifer
or portion of an aquifer that has been exempted pursuant to 35 Ill. Adm. Code
730.104.
BOARD NOTE: Derived from 40 CFR 144.1(g)(1) through (g)(3) (2005).