Current through Register Vol. 48, No. 38, September 20, 2024
Except for treatment works or wastewater sources that have or
will have discharges for which NPDES Permits are required, and for which NPDES
Permits have been issued by the Agency:
a) A person must not cause or allow the
construction of any new treatment works, sewer or wastewater source or cause or
allow the modification of any existing treatment works, sewer, or wastewater
source without a construction permit issued by the Agency, except as provided
in subsections (c) and (d).
b) For
groundwater remediation systems, with or without pretreatment, a permit is
required for the construction of:
1) a new
sewer to a publicly owned or publicly regulated sanitary or combined sewer;
or
2) a wastewater source that
discharges to a publicly owned or publicly regulated sanitary or combined
sewer.
c) Construction
permits are not required for the following:
1)
storm sewers that transport only land runoff;
2) any treatment works, sewer, or wastewater
source designed and intended to serve a single building and eventually treat or
discharge less than an average of 1500 gallons per day (5700 L/day) of domestic
sewage and that will discharge, if at all, directly to a publicly owned or
publicly regulated sanitary or combined sewer;
3) any sewer required by statute to secure a
permit under Section 3 of the Mobile Home Park Act [210 ILCS 115
];
4) any treatment works,
pretreatment works, sewer, or wastewater source that, on March 7, 1972, is
being constructed or will be constructed under the authorization of a permit
already issued by the Agency or its predecessors; however, all construction
must be completed within four years after March 7, 1972;
5) privately owned sewers tributary to
industrial treatment works owned by the same person if the additional waste
load does not exceed the permitted design capacity of the industrial treatment
works; or
6) cooling towers,
oil/water separators, pH adjustment facilities without additional pretreatment,
groundwater remediation system pretreatment, reverse osmosis treatment for
industrial source water, multi-media filtration for industrial source water,
disposable cartridge type (or similar) filtration systems, ion-exchange systems
for industrial source waters, and all associated pipes, pumps, and
appurtenances necessary for the installation and operation of these
permit-exempt treatment systems.
d) A person must not cause or allow the
construction of any pretreatment works or cause or allow the modification of
any existing pretreatment works without a construction permit issued by the
Agency, unless exempt under Section
309.202(c) if
those pretreatment works, after construction or modification, will:
1) discharge toxic pollutants, as defined in
section 502(13) of the CWA, or pollutants that may interfere with the treatment
process into the receiving treatment works or be subject to regulations
promulgated under section 307 of the CWA; or
2) discharge 15% or more of the total
hydraulic flow received by the treatment works; or
3) discharge 15% or more of the total
biological loading received by the treatment works as measured by the 5-day
biochemical oxygen demand.
