Unroll crescent roll dough into a greased 13-in. x 9-in. baking dish. Seal seams and perforations; set aside.
In a small bowl, whisk eggs and water. In a large skillet, heat butter until hot.
Add egg mixture; cook and stir over medium heat until eggs are almost set. Remove from the heat.
Sprinkle taco meat over dough. Layer with eggs, cheeses and salsa.
Bake, uncovered, at 375° for 14-16 minutes or until bubbly and cheese is melted.