JOB SUMMARY: This position is in Region 8, Water Division. Clean Water Branch, Watershed Section. About Region 8 This is an office-centered position--you must physically report to the duty station stated in this announcement on a regular basis. EPA offers work-from-home and work schedule flexibilities as described in the Benefits section. MAJOR DUTIES: You will: Serve as a Region 8 Total Maximum Daily Load (TMDL) expert, undertake assignments related to all phases of TMDL development, application, and enforcement. Provide expert and highly specialized technical assistance to other organizational elements within the Regional Office regarding the fate and transport of pollutants in the aquatic environment. Initiate and direct regional demonstration studies such as innovative TMDL development and critical condition identification of TMDLs. Respond to oral and written inquiries and prepare formal documents as a recognized expert; prepare and present briefing materials and prepares correspondence for signature by the Division Director or Regional Administrator. You will spend less than 25% of your work time on contracts, grants/cooperative agreements, and/or interagency agreements. One or more positions may be filled (in the organization advertised and/or in other organizations), if appropriate to the position. IMPORTANT: Click the 'Apply for this job' button to view a complete job description.