Water column profiles were conducted using a Seabird Electronics profiler at seven locations in the Providence River and one location in the Seekonk River on May 12, 2026. In the four days leading up to and including the survey day, there were 0.34 inches of rain recorded at T.F. Green International Airport (Warwick, RI). The water column was strongly stratified at Conimicut Point, Bullock’s Reach, Pomham Rocks, and India Point Park, and weakly stratified at Edgewood Shoal, Edgewood Yacht Club, Pawtuxet Cove, and Phillipsdale Landing.
Dissolved oxygen conditions were not below the hypoxia threshold (2.9 mg/L) at any of the visited locations. The highest fluorescence reading was observed about 3.25 meters below the surface at Conimicut Point.