September 4, 2024

​Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on September 4, 2024. Zero inches of rain were recorded at TF Green in the five days prior to the survey. Secchi depth averaged 1.9 meters. The lowest clarity this week (1.4 meters) was measured at Phillipsdale Landing, while the greatest clarity (2.4 meters) was measured at Bullock Reach Buoy and Conimicut Point. There was a general north-to-south gradient of increasing water clarity among the sites this week. ​Overall, water clarity remained similar to the previous week (data collected August 28, 2024), with the exception of a significant increase at Conimicut Point.​

August 28, 2024

​Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on August 28, 2024. Rainfall totaling 0.38 inches was recorded at TF Green in the five days prior to the survey. Secchi depth averaged 1.8 meters. The lowest clarity this week (1.4 meters) was measured at Phillipsdale Landing, while the greatest clarity (2.1 meters) was measured at Bullock Reach Buoy. There was a general north-to-south gradient of increasing water clarity among the sites this week. ​

August 21, 2024

​Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on August 21, 2024. Rainfall totaling 0.59 inches was recorded at TF Green in the five days prior to the survey. Secchi depth averaged 1.7 meters. The lowest clarity this week (1.5 meters) was measured at Bullock Reach Buoy, while the greatest clarity (1.8 meters) was measured at Phillipsdale Landing and India Point Park. There was no evidence of a north-to-south gradient of increasing water clarity among the sites this week.​

August 14, 2024

​Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on August 14, 2024. Rainfall totaling 1.32 inches was recorded at TF Green in the five days prior to the survey. Secchi depth averaged 1.6 meters. The lowest clarity this week (1.3 meters) was measured at Edgewood Yacht Club, while the greatest clarity (2.0 meters) was measured at Point St Bridge. There was no evidence of a north-to-south gradient of increasing water clarity among the sites this week.​

August 7, 2024

​Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on August 7, 2024. Rainfall totaling 1.02 inches was recorded at TF Green in the five days prior to the survey and the morning of. Secchi depth averaged 1.8 meters. The lowest clarity this week (1.5 meters) was measured at Phillipsdale Landing, while the greatest clarity (2.1 meters) was measured at Edgewood Yacht Club. There was no evidence of a north-to-south gradient of increasing water clarity among the sites this week. ​

August 1, 2024

​Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on August 1, 2024. Rainfall totaling 1.34 inches was recorded at TF Green in the five days prior to the survey. Secchi depth averaged 2.0 meters. The lowest clarity this week (1.6 meters) was measured at Phillipsdale Landing, while the greatest clarity (2.7 meters) was measured at Point Street Bridge. There was no evidence of a north-to-south gradient of increasing water clarity among the sites this week.​

July 24, 2024

​Water clarity was measured at eight locations in the Providence River and Seekonk River estuary on July 24th, 2024. Rainfall totaling 0.06 inches was recorded at TF Green in the five days prior to the survey. Secchi depth averaged 2.0 meters, compared to 1.6 meters on the previous survey (July 17th). The lowest clarity this week (1.7 meters) was measured at Edgewood Shoal, while the greatest clarity (2.3 meters) was measured at Bullock’s Reach. There was no clear north-to-south gradient of increasing water clarity among the sites this week.

July 17, 2024

​Water clarity was measured at seven locations in the Providence River and Seekonk River estuary on July 17th, 2024. Rainfall totaling 1.1 inches was recorded at TF Green in the five days prior to the survey. Secchi depth averaged 1.6 meters, compared to 1.8 meters on the previous survey (July 10th). The lowest clarity this week (1.1 meters) was measured at Phillipsdale Landing, while the greatest clarity (2.2 meters) was measured at Conimicut Point. There was a general north-to-south gradient of increasing water clarity among the sites this week. ​

July 10, 2024

​Water clarity was measured at seven locations in the Providence River and Seekonk River estuary on July 10th, 2024. Rainfall totaling 0.51 inches was recorded at TF Green in the five days prior to the survey. Secchi depth averaged 1.8 meters, compared to 1.5 meters on the previous survey (July 3rd). The lowest clarity this week (1.2 meters) was measured at Phillipsdale Landing and India Point Park, while the greatest clarity (2.5 meters) was measured at Bullock’s Reach. There was a general north-to-south gradient of increasing water clarity among the sites this week. 

January 10, 2024

Nutrient samples were collected from 12 river stations on January 10th. In the five days prior to sampling and the morning of, there were 4.67 inches of precipitation recorded at T.F. Green. 

Among the stations sampled, the highest total nitrogen (TN), total dissolved nitrogen (TDN), and dissolved inorganic nitrogen (DIN) concentrations were observed at Ten Mile River @ Roger Williams Ave (TN = 1,840 ppb, TDN = 1,780 ppb, DIN = 1,620 ppb). The lowest TN was observed at Runnins River @ River Rd (556 ppb), while the lowest TDN and DIN were observed at Taunton River @ Berkley Bridge (TDN = 419 ppb, DIN = 155 ppb).

The next scheduled sampling date is January 24, 2024.

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