Abstract: With the social and economical development,the worldwide problem of water shortage becomes more and more seri ous.To introduce the experience of the water resources management in other countries,the paper presents the water resources and the water supply management policy in Tampa Bay area.The water resources in Tampa Bay area mainly rely on groundwater at present.It has a positive effect on the planning,the economic analysis and the management method of changing the resource of water supply from mainly groundwater (75% of total water supply) to a uniform distribution of surface water,ground water and desalinated water (1/3 of each).Referring to the success of Tampa,some of new possible water supply measures are discussed based on the practical background in China.The direct use of rainwater and the reuse of treated wastewater are two effective water saving methods in urban area Desalinated water will play a great rule in the coastal cities.For the wide rural area,rainwater collection ponds and small plain reservoirs may be good measures to improve their water supply condition and water environment.