ABSTRACT:- The purpose of the study was to appraise the impact of staff development in effective management of federal government parastals reference to NEPA, Enugu District. To guides this study, for research questions were formulated. A review of literature was done to expose the researcher to what has already been done to ensure solid conclusion for the study. A structural questionnaire was Development and administered by the researcher to 100 (45 senior staff and 55 junior staffs) of NEPA, Enugu. A likert- type-point scale were used in determining positive and negative responses. Mean and standard deviation were used in analyzing research question. Based on the above, some of the major finding include: inadequate resources, problems of achieving the stated objectives, wrong schedule of work or duties and the serious impact of political will and leadership on staff welfare, and non-relationship of training and the job or return. As a result, it was recommended that constant supply of resources to ensure the achievement of objectives, proper assignment of job, after training and there should be a very powerful political will provision of staff welfare provision of motivational facilities.