The extra-flood in past years in the Dongting Lake area are analyzed mainly by hydrological method,hydrodynamics method and flood regulation model combined hydrological method and hydrodynamics method.

Probe into the municipal water and public water consumption quota in Jiangsu Province;

Connecting with the practice of energy management work, this paper expounds the method of and existing problems in determining water consumption quota in production of diaphragmatic alkali.

Based on analysis and consideration of the main factors influencing industrial and municipal water consumption quota, this paper develops the data analysis system of the industrial and municipal water consumption quota that makes the formulation of water consumption quota be simplified and be weighted with unified standard.

This system has many functions,including data edit,water data and spatial data query,several methods of statistics and analysis,water quota model,water demand mode.

The importance of water quota in water resources management and its development process are presented.

This paper analyses the water quota for agriculture irrigation and water saving potential in Xinjiang, and provides the science basis for controlling water supply, based on the factual state of water supply to agriculture irrigation and other businesses.

The paper analyses the characteristic of living water for urban resident, introduces the principle and the method establishing the water duty in Liaoning province.