美国的许多州,对使用地下水一书缺乏明确的法命和政策。在西部诸州中,主要值得关注的是对用户的分配管理不起作用。而在其它地区,要不是没有有效的使用含水层的贮存量,就是破坏了地下水的质量。这些原因使人们意识到,每个州都需要制定法令,以适应自然现象的现实情况和地下水的分布规律(包括地表水和地下水 Many states in the United States lack clear laws and policies on the use of groundwater. Of the western states, the main concern is the ineffectiveness of user assignment management. In other areas, however, either the lack of efficient use of aquifer reserves or the destruction of groundwater quality. These reasons raise awareness of the need for statutes in each state to accommodate the realities of natural phenomena and the distribution of groundwater (including surface and groundwater