In the 1949 case United States et al. v. United States Smelting Refining & Mining Co. et al., the U.S Supreme Court ruled in favor of the government, deciding that it had a right to seek damages for physical destruction caused by pollution on public lands leased to private companies for mining purposes. The court held that while these leases allowed companies like US Smelting Refining & Mining Co to extract minerals from public land, they did not give them carte blanche permission to cause environmental damage without facing financial consequences. This decision established an important precedent regarding environmental protection and corporate responsibility, asserting that businesses could be held liable for their harmful actions even when operating on leased public property.

The dissenting opinion in the case of United States et al. v. United States Smelting Refining & Mining Co. et al., 1949, argued that the majority's decision to uphold a lower court ruling allowing for compensation due to government-induced flooding was incorrect and set a dangerous precedent. The dissenters believed that this interpretation of the Fifth Amendment's Takings Clause was too broad and could lead to an excessive number of claims against the federal government for various forms of property damage caused by its actions or policies, potentially draining public resources and hampering governmental functions. They also expressed concern about how such rulings might affect future cases involving similar issues, arguing that it would be difficult if not impossible to draw clear lines between compensable takings and non-compensable damages resulting from legitimate exercises of governmental power.