Another Drought Emergency Has Been Declared In Southern California

California faces potential mandatory water restrictions due to a prolonged drought affecting 19 million people. The Southern California Metropolitan Water District has urged voluntary conservation, but it may not suffice. Residents are encouraged to reduce water usage, with possible mandatory restrictions looming. Critics argue California's efforts are insufficient compared to other states like Arizona, which faces a larger reduction in water from the Colorado River.

What role does the Colorado River play in Southern California's water supply?

What criticisms are being made regarding California's water conservation efforts?