SWFWMD will conduct treatment of water lettuce from the Rainbow River headspring to the Withlacoochee Ricer between Jan. 28 through Jan. 30, 2013. There is no restrictions on swimming, fishing or boating. However, treated river water should not be used for drinking or irrigation of turf or ornamental plants for one day following treatment. Treated river water should not be used to irrigate food crops for five days after treatment.