1. Natl Assn Watr Cos 2001 L St NW, Washington, DC 20036 Coordinate: 38.90403,-77.04528 Phone: (202) 466-5445
2. Millennium Water Alliance 1627 K St NW Ste 1000, Washington, DC 20006 Coordinate: 38.90292,-77.03767 Phone: (202) 296-1832