Support Us on #GivingTuesday Home » Donate & Support » Giving Tuesday 2019 Tuesday December 3, 2019 is #GivingTuesday! This day of giving started with a simple mission: to encourage people to do good. We ask you to participant in this growing tradition by supporting Lake Pontchartrain Basin Foundation. Lake Pontchartrain Basin Foundation is a 501(c)3 non-profit organization. Contributions to LPBF are tax-deductible to the full extent of the law.