You'll need fresh blueberries, lemon juice, and a few other simple ingredients to make this easy recipe.
Add 1 cup of water to a blender with the blueberries. Puree together until combined.
Drain the blueberry pulp using a fine mesh strainer and pour it into the pitcher.
Add the other 3 cups of water, fresh squeezed lemon juice, and sugar to the pitcher. Stir to combine.
Chill in the refrigerator before serving or pour over ice and enjoy immediately!