Regulatory takings in the United States
United States v. Riverside Bayview Homes, Inc.

In its decision, the Supreme Court held that in order to be within the regulatory authority of the United States, these semi-aquatic characteristics would have to be the result of frequent flooding by the nearby navigable waters. But the Supreme Court rejected the attempt to narrow the Corps of Engineer's regulatory reach. Perhaps some particular properties might in individual cases be so adversely impacted that a taking might be found. But this would not justify overturning the regulation itself. "Governmental land-use regulation may under extreme circumstances amount to a 'taking' of the affected property. See, e.g., Williamson County Regional Planning Comm'n v. Hamilton Bank, 473 U.S. 172, 105 S.Ct. 3108, 87 L.Ed.2d 126 (1985); Penn Central Transportation Co. v. New York City, 438 U.S. 104, 98 S.Ct. 2646, 57 L.Ed.2d 631 (1978). But mere assertion of regulatory jurisdiction by a governmental body does not constitute a regulatory taking. See Hodel v. Virginia Surface Mining and Reclamation Association, 452 U.S. 264 (1981). A requirement that a person obtain a permit before engaging in a certain use of his or her property does not itself "take" the property in any sense: after all, the very existence of a permit system implies that permission may be granted, leaving the landowner free to use the property as desired. Moreover, even if the permit is denied, there may be other viable uses available to the owner. "quitable relief is not available to enjoin an alleged taking of private property for a public use, duly authorized by law, when a suit for compensation can be brought against the sovereign subsequent to a taking." Ruckelshaus v. Monsanto Co., 467 U.S. 986 (1984) This maxim rests on the principle that so long as compensation is available for those whose property is in fact taken, the governmental action is not unconstitutional.
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