The department shall evaluate the potential impacts on water supplies derived from the Sacramento-San Joaquin Delta based on 50-, 100-, and 200-year projections for each of the following possible impacts on the delta:
(1) Subsidence.
(2) Earthquakes.
(3) Floods.
(4) Changes in precipitation, temperature, and ocean levels.
(5) A combination of the impacts specified in paragraphs (1) to (4), inclusive.