Water Column Profiles

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on July 8, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.55 inches of precipitation were recorded at T.F. Green. Water column stratification varied between the sites this week from well-mixed at Pawtuxet Cove to moderately stratified at Pomham Rocks, India Point Park and Phillipsdale Landing.

Dissolved oxygen (DO) conditions were below the hypoxia threshold (2.9 mg/L) in the lower portion of the water column at India Point Park, Pomham Rocks, Bullock Reach Buoy, Edgewood Yacht Club, and Edgewood Shoal, and in the middle and lower portion of the water column at Phillipsdale Landing. The highest fluorescence readings for the week were measured around 1 meter below the surface at Phillipsdale Landing.

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on July 2, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.02 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from well-mixed at Point Street Bridge and Pawtuxet Cove to moderately stratified at India Point Park and Phillipsdale Landing.

Dissolved oxygen (DO) conditions were below the hypoxia threshold (2.9 mg/L) in the middle and lower portion of the water column at Edgewood Yacht Club and India Point Park, and in all portions (upper, middle, and lower) of the water column at Point Street Bridge and Phillipsdale Landing. The highest fluorescence readings for the week were measured around 1 meter below the surface at Pawtuxet Cove.

Water column profiles were conducted at seven locations in the Providence and Seekonk River estuaries on June 25, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.01 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from weakly stratified at Pawtuxet Cove to strongly stratified at Conimicut Point, Pomham Rocks, and Phillipsdale Landing.

Dissolved oxygen (DO) conditions were below the hypoxia threshold (2.9 mg/L) in the lower portion of the water column at India Point Park and Phillipsdale Landing. The highest fluorescence readings for the week were measured around 1 meter below the surface at Phillipsdale Landing.

Water column profiles were conducted at seven locations in the Providence and Seekonk River estuaries on June 11, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.85 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from moderately stratified at India Point Park and Phillipsdale Landing to strongly stratified at all other sites.

Dissolved oxygen (DO) conditions were not observed to be below the hypoxia threshold (2.9 mg/L) at any site profiled this week. The highest fluorescence recorded this week was measured around 2 meters below the surface at Bullock Reach Buoy.

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on June 4, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.39 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from weakly stratified at Point Street Bridge to strongly stratified at all other sites.

Dissolved oxygen (DO) conditions were not observed to be below the hypoxia threshold (2.9 mg/L) at any site profiled this week. The highest fluorescence recorded this week was measured around 1.5 meters below the surface at Pomham Rocks.

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on May 28, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.15 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from moderately stratified at Bullock Reach Buoy and India Point Park to strongly stratified at all other sites.

Dissolved oxygen (DO) conditions were not observed to be below the hypoxia threshold (2.9 mg/L) at any site profiled this week. The highest fluorescence recorded this week was measured around 3 meters below the surface at Conimicut Point.

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on May 21, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, less than 0.1 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from weakly stratified at Phillipsdale Landing and Pawtuxet Cove to well-mixed at all other sites.

Dissolved oxygen (DO) conditions were not observed to be below the hypoxia threshold (2.9 mg/L) at any site profiled this week. The highest fluorescence recorded this week was measured around 2.5 meters below the surface at Pomham Rocks.

Water column profiles were conducted at seven locations in the Providence and Seekonk River estuaries on May 14, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 1.73 inches of precipitation were recorded at T.F. Green.  Strong stratification of the water column stratification was observed at all sites.

Dissolved oxygen (DO) conditions were not observed to be below the hypoxia threshold (2.9 mg/L) at any site profiled this week. The highest fluorescence recorded this week was measured around 2 meters below the surface at Conimicut Point.

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on May 7, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 2.1 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from weakly stratified at Point Street Bridge to strongly stratified at all other sites.

Dissolved oxygen (DO) conditions were not observed to be below the hypoxia threshold (2.9 mg/L) at any site profiled this week. The highest fluorescence recorded this week was measured around 1.5 meters below the surface at Edgewood Yacht Club.

Water column profiles were conducted at seven locations in the Providence and Seekonk River estuaries on October 30, 2024 using a Seabird Electronics profiler. In the five days leading up to the survey, no precipitation was recorded at T.F. Green.  Water column stratification varied between the sites this week from well-mixed at most sites to weakly stratified at Phillipsdale Landing.

Dissolved oxygen (DO) conditions were not observed to be below the hypoxia threshold (2.9 mg/L) at any site profiled this week. The highest fluorescence recorded this week was measured around 1 meter below the surface at Phillipsdale Landing.