Section 306.302  Expansion of Combined Sewers

The expansion of existing or establishment of new combined sewer service areas is prohibited, except where the Agency has determined from the permit application the following:

a)         The combined sewer service area has adequate treatment or retention capacity to ensure that the effluent limitations of 35 Ill. Adm. Code 304 and the provisions of the Act are not violated;

b)         Any anticipated increased flow will not overload connecting segments of the combined sewer system;

c)         Increased flow shall not aggravate combined sewer overflow problems; including, but not limited to, combined sewer surcharges, basement back-ups and street flow;

d)         The new combined sewer service area will be tributary to an existing combined sewer system.

(Source:  Section 306.302 renumbered from Section 306.103(a) at 7 Ill. Reg. 5682, effective April 19, 1983)