Background information relating to the setting of environmental flows and allocation limits for the Clutha River/Mata-Au, its lakes and two main upper catchment tributaries can be downloaded below

Natural Character, Riverscape & Visual Amenity Assessments by Boffa Miskell Limited (2018)
This report gives a description and analysis of the current riverscapes, levels of natural character and visual amenity supported by the main stems of the Clutha River/Mata-Au; Kawarau River and Hāwea River and the Lakes Dunstan and Roxburgh, Hāwea, Wakatipu and Wanaka.

Clutha River/Mata-au Catchment Recreational Values Assessment by Rob Greenaway and Associates (2018) (Will be made available soon)
This report describes the recreation and tourism values associated with the main stems of the Clutha River/Mata-au and the Hāwea and Kawarau Rivers and Lakes Roxburgh, Dunstan, Hāwea, Wakatipu and Wānaka, and identifyies relevant preferences for flows that support these values.