Water Clarity

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on July 8, 2026. In the five days prior to the survey, 2.89 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.3 meters. The lowest clarity this week (1.7 meters) was measured at Phillipsdale Landing, while the greatest clarity (2.5 meters) was observed at several sampling locations. There was a general north-to-south gradient in water clarity among the sites this week. Overall, water clarity decreased from the previous measurements (data collected June 24, 2026).

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on June 24, 2026. In the five days prior to the survey, 2.01 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.9 meters. The lowest clarity this week (2.3 meters) was measured at Phillipsdale Landing and Pawtuxet Cove, while the greatest clarity (3.5 meters) was measured at Conimicut Point. There was no clear north-to-south gradient in water clarity among the sites this week. Overall, water clarity increased from the previous measurements (data collected June 17, 2026).

Water clarity was measured at six locations in the Providence River and Seekonk River estuaries on June 17, 2026. In the five days prior to the survey, 0.01 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.5 meters. The lowest clarity this week (1.9 meters) was measured at Phillipsdale Landing and India Point Park, while the greatest clarity (3.3 meters) was measured at Conimicut Point. There was a general north-to-south trend of increasing water clarity among the sites this week. Overall, water clarity increased from the previous measurements (data collected June 10, 2026).

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on June 10, 2026. In the five days prior to the survey, 0.22 inches of precipitation were recorded at TF Green. Secchi depth averaged 1.9 meters. The lowest clarity this week (0.7 meters) was measured at Phillipsdale Landing, while the greatest clarity (2.9 meters) was measured at Conimicut Point. There was a general north-to-south trend of increasing water clarity among the sites this week. Overall, water clarity decreased from the previous measurements (data collected June 3, 2026).

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on June 3, 2026. In the five days prior to the survey, 0.21 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.7 meters. The lowest clarity this week (1.9 meters) was measured at Phillipsdale Landing and Edgewood Yacht Club, while the greatest clarity (3.5 meters) was measured at Conimicut Point. There was no clear north-to-south gradient in water clarity among the sites this week. Overall, water clarity increased from the previous measurements (data collected May 28, 2026).

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on May 28, 2026. In the five days prior to the survey, 1.04 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.0 meters. The lowest clarity this week (1.5 meters) was measured at Pomham Rocks and Pawtuxet Cove, while the greatest clarity (2.7 meters) was measured at Bullock Reach and Conimicut Point. There was no clear north-to-south gradient in water clarity among the sites this week. Overall, water clarity decreased from the previous measurements (data collected May 19, 2026).

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on May 19, 2026. In the five days prior to the survey, 0.11 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.9 meters. The lowest clarity this week (1.9 meters) was measured at Phillipsdale Landing, while the greatest clarity (3.7 meters) was measured at Bullock Reach and Conimicut Point. There was a general north-to-south trend of increasing water clarity among the sites this week. Overall, water clarity increased from the previous measurements (data collected May 12, 2026).

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on May 12, 2026. In the five days prior to the survey, 0.57 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.1 meters. The lowest clarity this week (1.9 meters) was measured at Bullock Reach and Edgewood Shoal, while the greatest clarity (2.5 meters) was measured at Pawtuxet Cove. There was no clear north-to-south gradient in water clarity among the sites this week. Overall, water clarity decreased from the previous measurements (data collected May 7, 2026).

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on May 7, 2026. In the five days prior to the survey, 0.05 inches of precipitation were recorded at TF Green. Secchi depth averaged 3.0 meters. The lowest clarity this week (1.7 meters) was measured at Phillipsdale Landing, while the greatest clarity (4.3 meters) was measured at Conimicut Point. There was a general north-to-south trend of increasing water clarity among the sites this week.

Water clarity was measured at six locations in the Providence River and Seekonk River estuaries on October 15, 2025. In the five days prior to the survey, 2.39 inches of precipitation were recorded at TF Green. Secchi depth averaged 3.0 meters. The lowest clarity this week (1.8 meters) was measured at Conimicut Point, while the greatest clarity (3.3 meters) was measured at Edgewood Yacht Club. There was a general north-to-south trend of increasing water clarity among the sites this week. Compared to previous measurements taken on October 1, 2025, water clarity remained relatively consistent at most sites. However, Pawtuxet Cove showed a notable decrease of 1.1 meters and both Bullock Reach and Conimicut Point showed a notable increase of 1.1 meters.