The proposed rule amendments will: (1) delete unnecessary definitions, modify existing definitions, and add necessary definitions to 40C-21.051; (2) revise the hydrologic indicators and data used in monitoring and evaluating water conditions in 40C-21.221; (3) clarify the noticing requirements and process for declaring and implementing a water shortage declaration in 40C-21.231 and 40C-21.291; (4) delete the requirement for percent reduction in overall demand and color coding for water shortage phases in 40C-21.251; (5) repeal the general use restrictions in 40C-21.271; (6) clarify the noticing requirements and process for declaring and implementing a water shortage or water shortage emergency in 40C-21.331 and 40C-21.391; (7) repeal the monitoring requirements in 40C-21.401; (8) amend the source classes in 40C-21.531 and use classes in 40C-21.551 to be consistent with the District’s rules in Chapter 40C-2; (9) repeal the method of extraction or diversion classes in 40C-21.571; (10) amend 40C-21.601, 40C-21.621, 40C-21.631, 40C-21.641, and 40C-21.651 to clarify the water use restrictions and other measures implemented during each water shortage phase; and (11) make conforming changes, corrections, and clarifications throughout.