(DC) (Potomac Riverkeeper Network) Be part of the fun for this year’s Annual Gala: Party on the Pier! September 14 is the date and the DC Wharf is the venue for drinking, dining, and dancing to live music. Plus, the opportunity to meet old friends, make new ones, and see your Riverkeepers in person. This is an outdoor event under the stars with a magnificent large tent in case of rain.