Water Clarity

October 14, 2026

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on October 14, 2026. In the five days prior to the survey, 2.37 inches of precipitation were recorded at TF Green. Secchi depth averaged 3.8 meters. The lowest clarity this week (1.9 meters) was measured at Pawtuxet Cove, while the greatest clarity (5.5 meters) was observed at Conimicut Point and Bullocks Reach. 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 October 7, 2026).

October 7, 2026

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on October 7, 2026. In the five days prior to the survey, 0.03 inches of precipitation were recorded at TF Green. Secchi depth averaged 4.7 meters. The lowest clarity this week (3.8 meters) was measured at Phillipsdale Landing, while the greatest clarity (5.9 meters) was observed at Bullocks Reach. 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 September 30, 2026).

September 30, 2026

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on September 30, 2026. In the five days prior to the survey, 4.22 inches of precipitation were recorded at TF Green. Secchi depth averaged 3.4 meters. The lowest clarity this week (2.5 meters) was measured at Phillipsdale Landing and Pawtuxet Cove, while the greatest clarity (4.1 meters) was observed at Conimicut Point and Bullocks Reach. There was no clear north-to-south gradient in water clarity among the sites this week. Overall, water clarity slightly decreased from the previous measurements (data collected September 22, 2026).

September 22, 2026

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on September 22, 2026. In the five days prior to the survey, 0.27 inches of precipitation were recorded at TF Green. Secchi depth averaged 3.5 meters. The lowest clarity this week (2.7 meters) was measured at Phillipsdale Landing, while the greatest clarity (3.9 meters) was observed 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 September 16, 2026).

September 16, 2026

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on September 16, 2026. In the five days prior to the survey, 4.18 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.7 meters. The lowest clarity this week (1.5 meters) was measured at Phillipsdale Landing, while the greatest clarity (3.7 meters) was observed 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 September 9, 2026).

September 9, 2026

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on September 9, 2026. In the five days prior to the survey, 0.06 inches of precipitation were recorded at TF Green. Secchi depth averaged 3.1meters. The lowest clarity this week (2.1 meters) was measured at Phillipsdale Landing, while the greatest clarity (3.7meters) was observed at Pawtuxet Cove. 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 September 2, 2026).

September 2, 2026

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on September 2, 2026. In the five days prior to the survey, 1.25 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.6 meters. The lowest clarity this week (2.3 meters) was measured at Phillipsdale Landing, while the greatest clarity (2.7 meters) was observed at Bullock Reach, Conimicut Point, and Edgewood Yacht Club. 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 August 26, 2026).

August 26, 2026

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on August 26, 2026. In the five days prior to the survey, 0.73 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.1 meters. The lowest clarity this week (1.5 meters) was measured at Pomham Rocks, while the greatest clarity (2.9 meters) was observed at India Point Park. 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 August 19, 2026).

August 19, 2026

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on August 19, 2026. In the five days prior to the survey, 0.13 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.4 meters. The lowest clarity this week (0.7 meters) was measured at Phillipsdale Landing, while the greatest clarity (3.7 meters) was observed 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 August 5, 2026).

August 5, 2026

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on August 5, 2026. In the five days prior to the survey, 2.57 inches of precipitation were recorded at TF Green. Secchi depth averaged 1.8 meters. The lowest clarity this week (1.2 meters) was measured at Pawtuxet Cove, while the greatest clarity (2.1 meters) was observed at Bullock Reach. 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 July 23, 2026).

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