Approximately 10,000 cubic yards of sediment needs to be dredged from Lake Roberta to restore the capacity of the pond. $450K has been budgeted in fiscal year 2019 for this project. The dredging will occur in April 2019. You can also read the latest Project Summary Update and Frequently Asked Questions.Approximately 10,000 cubic yards of sediment needs to be dredged from Lake Roberta to restore the capacity of the pond. $450K has been budgeted in fiscal year 2019 for this project. The dredging will occur in April 2019. You can also read the latest Project Summary Update and Frequently Asked Questions.