The water use provisions of a management plan for a water management area must deal with the following matters--
(a) the identification of existing and potential water use practices and related activities,
(b) the identification of those uses and activities which have adverse impacts, including cumulative impact, on water sources or their dependent ecosystems or on other water users,
(c) the identification of the occurrence of land degradation, including soil erosion, compaction, geomorphic instability, contamination, acidity, waterlogging, decline of native vegetation or, where appropriate, salinity within the area and any impacts on water sources.