Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on October 1, 2025. In the five days prior to the survey, 0.06 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.9 meters. The lowest clarity this week (2.7 meters) was measured at Conimicut Point, while the greatest clarity (3.3 meters) was measured at 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 September 17, 2025).