September 23, 2015 – by the Kentucky Division of Water. Editor’s note: Valley Watch contacted Orsanco’s Environmental Specialist, Greg Youngstrom 9/23 to discuss the situation as it currently stands. We found that the farthest downriver the algae has bloomed is about … Continue reading Algae bloom grows, not impacting lower Ohio River, yet. Advisory area stretches from W. Va. Line to Cannelton Locks and Dam.