Years of drought planning between the seven Western states that rely on the overtaxed, climate-withered Colorado River comes down to Arizona lawmakers in the next two-and-half weeks. With a federal deadline of Jan. 31 for the states to forge a collaborative Drought Contingency Plan, Arizona remains the lone holdout. The plans for each of the states — California, Arizona and Nevada in the Lower Basin, and Utah, Colorado, New Mexico and Wyoming in the Upper Basin — outline strategies for reducing demands on the Colorado River before water storage in the already record-low Lake Mead and Lake Powell drop to catastrophically low levels.