WDNR Guidance for Evaluating Cooling Water Intake Structures - February 2005

Guidance is provided here which describes the 3 Phases of the federal 316(b) rules. This document provides WDNR staff guidance regarding the information needed to evaluate the potential impacts of a cooling water intake structure (CWIS) and to determine whether BTA is being used (or proposed) to minimize adverse environmental impacts.

Users can choose the level of detail that they want to take in:

• The 4-page cover memo [PDF 190KB] provides a general explanation of how s. 316(b) requirements fit into the WPDES permitting process.
• The flowchart [PDF 64KB] describes the basic process laid out in the regulations.
• The guidance document [PDF 280KB] provides a thorough discussion of 316(b) requirements and outlines the development, conduct, and review of studies designed to evaluate the potential for adverse environmental impact from a CWIS.
• The federal regulations can be reviewed at the EPA Website. [exit DNR opens in new window]

If you have any questions regarding the WDNR's intake structure guidance or this website, please email Kari Fleming.