The work reported herein was partially supported through an Oregon Graduate Center contract with the Lawrence Livermore Laboratory of the University of California for the conduct of the "Oregon Geothermal Environmental Overview Study Workshop", held March 28-29, 1979 in Portland, Oregon. Partial support was also provided as part of Oregon State University's Water Resources Research Institute 1979 contract with the Pacific Northwest River Basins Commission for Water Assessment of Emerging Energy Technologies.