For the bar graph on the left:

The left represent the Hubei Province

The Middle bar is the Sichuan Province

The right bar is the Xizang Autonomous Region

The uncolored bar is the percent of the Water Resource Storage based on the National Storage Amount

The Colored Bar is the Percentage of Electricity generated using HydroEnergy based on the National Storage Amount

For the Map on the right: From top to bottom:

Extremely Scarce

Fairly Scarce

Fairly Abundant

Extremely Abundant

Contains enough excess to be transported elsewhere

Pretty Decent