1. Squeeze 12-15 fresh lemons to create 1 cup fresh lemon juice.
2. In a medium sauce pan bring 1-3/4 cups water and 1 - 3/4 cup sugar to a boil, stirring occasionally, until sugar is completely dissolved. Add 2 more cups of water and allow mixture to cool to room temperature. Cover and chill.
3. In a pitcher add lemon juice and cooled syrup. Mix until well combined. Add remaining water (6 -1/4 cups). Chill in refrigerator until ready to serve.