Third Thermal Ecology and Regulation Workshop — Electric Power Research Institute

In October 2011, more than 100 people met at Great River Energy in Maple Grove, Minnesota, for an Electric Power Research Institute (EPRI)-sponsored workshop on Section 316(a) of the Clean Water Act (CWA). This section of the CWA regulates the thermal effluents of once-through power plant cooling systems. It provides for variances from both technology-based limits and water quality standards if a plant can demonstrate that its thermal discharge “will assure the protection and propagation of a balanced, indigenous population of shellfish, fish, and wildlife in and on that body of water.” The workshop disseminated information on advances in topical areas relevant to 316(a) and to examine new and emerging issues and was a follow-up to two previous workshops in 2003 and 2007. Tetra Tech provided support in the planning, execution and reporting of the workshop. Tetra Tech participated on the steering committee, which organized the agenda and identified and selected speakers for the conference. Tetra Tech also prepared and presented a paper on the latest updates in thermal ecology and regulation. Subsequent to the workshop, Tetra Tech collected and edited all papers submitted by workshop presenters and prepared the conference proceedings. Tetra Tech also prepared a summary paper on the thermal issues that are confronting utilities, how the utilities are addressing these issues, and future research needs in this area.


Christine Lew

(925) 280-7426