Lee Daly, who spearheads the Big Swan Lake Improvement District’s (LID) alum treatment project, took Secchi disk readings in both north and south basins to measure water clarity before, during and after applications. The results were notable. In the south basin where Lake Restoration, Inc. applied the alum, or aluminum sulfate, water clarity depth on […]
Lake Restoration finished applying 87,000 gallons of alum (aluminum sulfate) to Big Swan Lake on Tuesday. This photo was taken Monday as the final push began. The process took about two weeks while contending with several overly windy days that delayed applications. The GPS-guided treatments will be repeated early next spring or late fall. The […]
This week Lake Restoration, Inc. began treating Big Swan with alum, which could last 10-14 days depending on weather. Its barge carries 1,700 gallons per trip, requiring 52 loads to dispatch the 87,000 gallons that will be injected into the lake this October. The GPS-guided applications will be repeated in the main basin of the […]