Section 306.306  Compliance Dates

Compliance with Section 306.305 must be achieved on or before the following dates:

a)         All treatment plant bypasses, by the applicable date for improvement of treatment works under 35 Ill. Adm. Code 304.

b)         All combined sewer overflows within the Metropolitan Sanitary District of Greater Chicago, by December 31, 1977;

c)         All other combined sewer overflows, by December 31, 1975.

d)         The compliance dates set by subsections (b) and (c) must be met unless:

1)         The discharger's combined sewer overflow is eligible for a construction grant under Section 201(g) of the CWA; and,

2)         The discharger applied for a construction grant on or before March 1, 1977; and,

3)         The discharger has timely taken all appropriate pre-grant and post-grant actions necessary to the specific grant step for which the discharger is then eligible, or

4)         The discharger has been granted an exception by the Board.

e)         Nothing in subsection (d) limits the power of the Board to enter an abatement order under Section 46 of the Act necessary to abate pollution of waters of the State, when the Board has found, as the result of an enforcement or variance case initiated under Titles VIII or IX of the Act, that the discharger is causing a violation of the Act or regulations.

f)         The exemption provided by subsection (d) must terminate upon completion of construction under the grant provided.

(Source:  Amended at 47 Ill. Reg. 4641, effective March 23, 2023)