In assessing water rights under the riparian doctrine, what is the reasonable use theory?

In assessing groundwater rights, what is the absolute ownership doctrine? In assessing groundwater rights, what is the appropriative rights doctrine? In assessing groundwater rights, what is the correlative rights doctrine? In assessing groundwater rights, what is the reasonable use doctrine? In assessing groundwater rights, what is the restatement approach? In assessing rights of streams, rivers, and lakes, what is the prior appropriation doctrine? In assessing rights related to groundwater, what are the 4 doctrines to consider? In assessing the rights of surface water use, what is the common enemy theory? In assessing the rights of surface water use, what is the natural flow theory? In assessing the rights of surface water use, what is the reasonable use theory? In assessing water rights under the riparian doctrine, what is the natural flow theory? In assessing water rights under the riparian doctrine, which type of use prevails? What are natural rights? What is lateral support? What is subjacent support? What is the general rule for use of surface water on a property owner's land? What is the riparian doctrine?