The federation is based in Nieuwegein and affiliated with the national sports body NOC*NSF.

In 1909 the KNZB joined the world swimming governing body, FINA which was established one year earlier.

Competition swimming is considered a top sport in the Netherlands where swimmers such as Pieter van den Hoogenband, Inge de Bruijn, and Ranomi Kromowidjojo have brought home Olympic success.

Membership benefits include the right to participate in competitions, discounts to attend courses and liability insurance.

The KNZB Long Distance Circuit is designed to simulate swimming over an extended length.