National Association of Clean Water Agencies

National Association of Clean Water Agencies (NACWA) represents the interests of publicly owned treatment works and related sewerage collection systems, and stormwater management agencies before the United States Congress, several Federal agencies, and in the courts. NACWA advocates for federal funding for clean water agencies and for responsible national policies that advance clean water and a healthy environment.

Source: Wikipedia — National Association of Clean Water Agencies (CC BY-SA 4.0)