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).
