1 chicken + 3 square feet + 2 pounds of feed per week + 2 cups of water daily = 1 egg per day. We'd only need 107 chickens to make our egg quota for the week! I'm sure the city wouldn't mind 107 chickens in our backyard.
This is an awesome idea. A chicken coop rainwater catcher that automatically fills the water dispenser. My coop is about from the nearest water source in my yard. Lugging a bucket gets old quick. Goat shed idea also