The local water management authority, the Corangamite Catchment Management Authority, is the government instrumentality charged with maintaining the Barwon River. The CCMA coordinates between all of the recreational river users to come up with an annual calendar of river usage zonings.

Barwon River Zonings 2018-19

This document details when rowing regattas and canoeing events are held as well as agreed closures of the river to allow waterskiing speed boats. The standard river closure for waterskiing is Sunday afternoons, but please refer to this document for details.