10% Tuesday for Black Warrior River Keepers. 10% of sales from 5PM until midnight will benefit this group. Black Warrior Riverkeeper’s mission is to protect and restore the Black Warrior River and its tributaries. We are a citizen-based nonprofit organization dedicated to improving water quality, habitat, recreation, and public health throughout our patrol area, the Black Warrior River watershed. This vital river basin is entirely contained within Alabama, America’s leading state for freshwater biodiversity.