Section 309.146  Authority to Establish Recording, Reporting, Monitoring and Sampling Requirements

a)         The Agency shall require every holder of an NPDES Permit, as a condition of the NPDES Permit issued to the holder, to:

1)         Establish, maintain and retain records;

2)         Make reports adequate to determine the compliance or lack of compliance with all effluent limits and special conditions in the permit;

3)         Install, calibrate, use and maintain monitoring equipment or methods (including where appropriate biological monitoring methods);

4)         Take samples of effluents (in accordance with such methods, at such locations, at such intervals, and in such a manner as may be prescribed); and

5)         Provide such other information as may reasonably be required.

b)         The Agency may require every holder of an NPDES Permit for a publicly owned and publicly regulated treatment works, as a condition of the NPDES Permit, to require industrial users of such a treatment works to:

1)         Establish, maintain and retain records;

2)         Make reports;

3)         Install, calibrate, use and maintain monitoring equipment or methods (including where appropriate biological monitoring methods);

4)         Take samples of effluents (in accordance with such methods, at such locations, at such intervals, and in such a manner as may be prescribed); and

5)         Provide such other information as may reasonably be required.

c)         All such requirements shall be included as conditions of the NPDES Permit issued to the discharger, and shall be at least as stringent as those required by applicable federal regulations when these become effective.

d)         All permits shall specify requirements concerning the proper use, maintenance, and installation, when appropriate, of monitoring equipment or methods (including biological monitoring methods, when appropriate); required monitoring including type, interval, and frequency sufficient to yield data which are representative of the monitored activity including, when appropriate, continuous monitoring.

(Source:  Amended at 28 Ill. Reg. 7310, effective May 7, 2004)