English rule - right of absolute ownership of water under a property holder's land. Owner can pump unlimited water at an unlimited rate, even if adjoining owners are impacted. Was finally overturned in Ohio in 1984 in the case Cline vs. American Aggregates. The judge recognized that scientists could determine that ground-water flow was not secret and that impacts on neighboring users could be distinguished. American rule - landowner has a right to use only a reasonable amount of ground water, recognizing the rights of adjacent owners.
Some states now regulate water use to prevent severe declines in ground-water levels.
Requires new hazardous land disposal facilities to have a ground-water monitoring system. Contains a provision for emergency response to hazardous materials spills and cleanup. Required EPA to create a list of sites needing remediation, the National Priorities. Amendments make current land owner liable even if they had do role in or knowledge of contamination. Also Specal Regulations for Injection Wells Injection wells are used across U.S. for a variety of purposes including industrial and municipal waste disposal, solution mining of uranium and sulfur, brine production, and agricultural drainage.