Preheat oven to 350°F. Spray two (9"x5") loaf pans with cooking spray, line with waxed paper, then spray again. Set aside.
In a large bowl, stir together pumpkin, sugar, oil and eggs. Add all of the dry ingredients and the water. Stir by hand until completely combined and smooth. Pour batter into prepared pans.
Bake for one hour or until a toothpick inserted in the middle comes out clean. Let cool.
Slice and serve. Store in an air tight container at room temperature for a few days or in the refrigerator for up to a week. You can also freeze for longer storage. Recipe makes two loaves.
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Notes
For a lower sugar version of this recipe, use 1 cup of granulated sugar plus 1 cup granulated stevia (such as Stevia in the Raw). Follow the rest of the recipe as stated above.