The implementation of all of the advised actions, the report stated, would "result in the recovery of healthy, sustainable ecosystems throughout south Florida".[72] The report admitted that it did not have all the answers, though no plan could.[73] However, it predicted that it would restore the "essential defining features of the pre-drainage wetlands over large portions of the remaining system", that populations of all animals would increase, and animal distribution patterns would return to their natural states.[73] Critics expressed concern over some unused technology; scientists were unsure if the quarries would hold as much water as was being suggested, and whether the water would harbor harmful bacteria from the quarries. Overtaxing the aquifers was another concern—it was not a technique that had been previously attempted.[74]