This report is a combination of quantitative and qualitative systematic three month comprehensive study of the environment at Aubrey Reservoir using the Environmental Evaluation System (EES) developed for the Bureau of Reclamation by Battelle-Columbus Laboratories. Statement of the report is in four parts: physical description of the project; summary of the EES used to arrive at the numerical index of the environmental impact on the project; detailed description and discussion of the environmental elements, evaluations of the project on them and recommendations to reduce any negative impacts; and, general recommendations to ameliorate the negative environmental effects and maximize the positive attributes of the project. (Author).