Nigeria Presidential Executive Order on the Open Defecation Free Nigeria by 2025 and Other Related Matters The launch of the Presidential Executive Order on Open Defecation-Free Nigeria. Nigeria's Honourable Minister of Water Resources and Sanitation, Engr. Prof. Joseph Terlumun Utsev, FNSE, delivering remarks. Slide 1 Slide 1 (current slide) Slide 2 Slide 2 (current slide) Slide 3 Slide 3 (current slide)