+ Welcome Back Water Taxi! June 17, 2020June 17, 2020, Caffeine, Home, Hornblower Cruises & Entertainment, Hotels, Restaurants, Shop, Watering Holes, DC, District Wharf, hornblower, Potomac Riverboat Company, sightseeing, Washington, water taxi, Wharf DC, wharf life dc, 0 Water Taxi Service to Return to District Wharf Beginning Friday, June 19, Water Taxi service will return to operation...