Squeeze your lemons and set aside in a large bowl.
To Make the Blackberry Sauce:
Add water, sugar and blackberries to a medium pot.
Boil on high for 5 minutes. When done place a strainer over a medium bowl. Strain to catch the blackberries. Press any additional liquid out. Allow sauce to cool for 5 minutes. Add to lemon juice.
To Make The Simple Syrup:
Add to medium pot water and sugar. Allow to boil about 2 minutes till water looks clear. Add to lemon juice.
In a 60 ounce pitcher add 3 cups of ice (or more if you like more ice) pour in lemon juice mixture.