Contents include: EPA's role in groundwater protection; The contributions of C. E. Jacob to scientific hydrology and engineering works; Subsurface disposal of liquid industrial wastes in Alabama - A current status report; Subsurface storage and disposal in Illinois; Feasibility of recharging treated sewage effluent into a deep sandstone aquifer; Pesticide contamination of a shallow bored well in the southeastern coastal plains; Gasoline pollution of a ground-water reservoir - A case history; Petroleum contamination of ground water in Maryland; Ground-water pollution potential of a landfill above the water table; Groundwater pollution and sanitary landills - a critical review; Effect of early day mining operations on present day water quality. Methods of geologic evaluation of pollution potential at mountain homesites; Nitrate in ground water of the Fresno-Clovis Metropolitan area, California; The use, abuse and recovery of a glacial aquifer; A systems approach to management of the Hanford ground-water basin; Salty ground water and meteoric flushing of contaminated aquifers in West Virginia; and Probable impact of NTA on ground water.