- BEFORE THE ILLINOIS POLLUTION CONTROL BOARD
IN THE MATTER OF:
WATER QUALITY STANDARDS AND
EFFLUENT LIMITATIONS FOR THE
CHICAGO AREA WATERWAYS SYSTEM
AND THE LOWER DES PLAINES RIVER:
PROPOSED AMENDMENTS TO 35 Ill.
- 3.
- In USEPA’s Comments on the October 2007 Version of Proposed Water Quality
Standards Revisions for the Chicago Area Waterway and Lower Des Plaines River (PC #286),
USEPA requested that IEPA include additional analysis showing that the proposed period
average thermal criteria are protective of existing and designated aquatic life uses.
- 5.
- In USEPA’s Comments on the October 2007 proposal (PC #286), USEPA expressed
concern that using the MWRD effluent temperatures to es...