In the filing, the group supported the finding of Special Master Ralph Lancaster, who in February found that Florida "failed to show that a consumption cap" was necessary in the long-running water wars case.
Lancaster’s finding is not final, and the Supreme Court can choose to reject his conclusion.
The amicus brief said Florida’s request for caps on water use in Georgia should be denied, because the state did not prove “that enough additional water would be produced at the right times to have any material effect on the complex ecological harms Florida has asserted.”
The needs of ecosystems are poorly understood, the brief said, as compared to Georgia's agricultural and economic needs. Florida argues that it needs more water to protect Tupelo trees and oysters in Apalachicola Bay.
"These interests are difficult to quantify and virtually impossible to value and weigh against competing interests in Georgia," it said.
Because Florida bears the burden of proof, the brief said, its request to limit water consumption in Georgia should be denied.
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