The time period for legal challenges to the controversial San Bernardino County Mojave Desert underground water transfer plan has passed, officials for Cadiz Inc. said this week.

“As a result, all challenges to the environmental review and approval of the Cadiz Water Project under the California Environmental Quality Act, the toughest environmental law in the U.S., are now final having withstood scrutiny by state superior and appellate courts,” the company said in a statement.