News

Surface chlorophyll data were collected on August 13, 2025, while the R/V Monitor was underway collecting nutrient samples in the Providence and Seekonk River estuary. The average chlorophyll concentrations were categorized as poor in the Seekonk River, and as fair in all other areas. The average chlorophyll concentrations were categorized as poor over all areas… Read more: August 13, 2025

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on August 20, 2025. In the five days prior to the survey, 0.89 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.2 meters. The lowest clarity this week (1.1 meters) was measured at Phillipsdale Landing, while the… Read more: August 20, 2025

Water clarity was measured at three locations in the Providence River and Seekonk River estuaries on August 13, 2025. Due to an equipment malfunction, only a limited number of sites were visited during this sampling day. In the five days prior to the survey, 0.00 inches of precipitation were recorded at TF Green. Secchi depth… Read more: August 13, 2025

Nutrient samples were collected from thirteen river on August 6th. In the five days prior to sampling, 0.46 inches of precipitation were recorded at T.F. Green.  Among the river stations sampled, the highest total nitrogen (TN) was observed at Pawtuxet River @ Broad St. (1,450 ppb). The highest total dissolved nitrogen (TDN) and dissolved inorganic… Read more: August 6, 2025

Phytoplankton samples were collected on July 23, 2025 at Bullock’s Reach and analyzed in the laboratory shortly after collection. The water temperature was 23.72 °C, the salinity was 28.61 psu, and the chlorophyll a was 7.18 ug/L. The qualitative tow net sample had a medium filtration time. The filtrate was clear with a light brown… Read more: July 23, 2025

On August 15th, 2025, twenty stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, 0.00 inches of precipitation was recorded at TF Green. Overall bacteria counts were lower than during the previous sampling event.… Read more: August 15, 2025

Nutrient samples were collected from seven river stations and seven bay stations on July 23rd. All bay stations were sampled at the surface and bottom. In the five days prior to sampling, trace amounts of precipitation were recorded at T.F. Green.  Among the river stations sampled, the highest total nitrogen (TN), total dissolved nitrogen (TDN),… Read more: July 23, 2025

Nutrient samples were collected from thirteen river stations and eight bay stations on July 8th. All bay stations were sampled at the surface; Edgewood Shoals was sampled at the surface and bottom. In the five days prior to sampling, there were 0.55 inches of  precipitation recorded at T.F. Green.  Among the river stations sampled, the… Read more: July 8, 2025

Phillipsdale Landing Sondes were swapped this week on July 1st. Overall, water quality at Phillipsdale Landing was poor to good this week. Weather conditions were moderately rainy this week, with a total of 0.55 inches recorded at T.F. Green, and the majority of rainfall occurring on the 3rd.  Blackstone River flow reached its peak on… Read more: June 30 – July 6, 2025

Most people picture Narragansett Bay as calm, sparkling, and post card-perfect. But if you’ve ever been out there in a small boat with a cooler full of sample bottles and a mission to track down bacteria data, you should know the truth: the bay has trolls. Every other week, we’re out on the bay collecting… Read more: Trolls In the Narragansett Bay: Adventures in Bacteria sampling

Phillipsdale Landing Overall, water quality at Phillipsdale Landing was poor to good this week. Weather conditions were relatively dry this week, with a total of 0.07 inches recorded at T.F. Green, and the majority of rainfall occurring on the 26th.  Blackstone River flow decreased slightly over the course of the week, and remained below the… Read more: June 23 – June 29, 2025

Phytoplankton samples were collected on July 8, 2025 at Bullock’s Reach and analyzed in the laboratory shortly after collection. It was sunny, hot, and humid on this day. The water temperature was 25.24 °C, the salinity was 27.85 psu, and the chlorophyll a was 5.55 ug/L. The qualitative tow net sample had a quick filtration… Read more: July 8, 2025

Phillipsdale Landing Sondes were swapped this week on June 17th. Overall, water quality at Phillipsdale Landing was fair to good this week. Weather conditions were slightly drier than the previous week, with a total of 0.21 inches recorded at T.F. Green, and the majority of rainfall occurring on the 17th.  Blackstone River flow remained near… Read more: June 16 – June 22, 2025

Phillipsdale Landing Overall, water quality at Phillipsdale Landing was fair to good this week. Weather conditions were slightly drier than the previous week, with a total of 0.31 inches recorded at T.F. Green, and the majority of rainfall occurring on the 10th.  The Blackstone River flow decreased throughout the week, exceeding the 20-year daily median… Read more: June 9 – June 15, 2025

Phillipsdale Landing Sondes were swapped this week on June 3rd. Overall, water quality at Phillipsdale Landing was fair to good this week. Weather conditions included moderate rain, with a total of 0.56 inches recorded at T.F. Green, and the majority of rainfall occurring on the 7th.  The Blackstone River flow peaked on the 7th, exceeding… Read more: June 2 – June 8, 2025

On July 30th, 2025, twenty stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, 1.91 inches of precipitation was recorded at TF Green. Overall bacteria counts were lower than during the previous sampling event.… Read more: July 30, 2025

Surface chlorophyll data were collected on July 30, 2025, while the R/V Monitor was underway collecting nutrient samples in the Providence and Seekonk River estuary. The average chlorophyll concentrations were categorized as fair in all individual areas surveyed as well as in the overall survey area. Overall, chlorophyll ranged from 1.1 µg/L to 46.06 µg/L… Read more: July 30, 2025

Surface chlorophyll data were collected on July 23, 2025, while the R/V Monitor was underway collecting nutrient samples in the Providence and Seekonk River estuary. The average chlorophyll concentrations were categorized as good in the Seekonk River, and as fair in all other areas. The average chlorophyll concentrations were categorized as fair over all areas… Read more: July 23, 2025

Surface chlorophyll data were collected on July 2, 2025, while the R/V Monitor was underway collecting nutrient samples in the Providence and Seekonk River estuary. The average chlorophyll concentrations were categorized as poor in the Seekonk River, and as fair in all other areas. The average chlorophyll concentrations were categorized as fair over all areas… Read more: July 2, 2025

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on July 30, 2025. In the five days prior to the survey, 1.91 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.2 meters. The lowest clarity this week (1.5 meters) was measured at Phillipsdale Landing and Pawtuxet… Read more: July 30, 2025

Phillipsdale Landing Overall, water quality at Phillipsdale Landing was good this week. Weather conditions were slightly dryer this week than previous weeks, with a total of 0.53 inches recorded at T.F. Green, and the majority of rainfall occurring on the 31st.  The Blackstone River flow decreased throughout the week, but remained above the 20-year daily… Read more: May 26 – June 1, 2025

Phillipsdale Landing Overall, water quality at Phillipsdale Landing was fair to good this week. Weather conditions were wet this week, with a total of 2.31 inches recorded at T.F. Green, and the majority of rainfall occurring on the 26th.  The Blackstone River flow peaked on the 23rd and 24th, but remained above the 20-year daily… Read more: May 19 – May 25, 2025

Phillipsdale Landing Overall, water quality at Phillipsdale Landing was fair to good this week. Weather conditions were wet this week, with a total of 1.38 inches recorded at T.F. Green, and the majority of rainfall occurring on the 15th.  The Blackstone River flow peaked on the 16th and remained above the 20-year daily median for… Read more: ​May 12 – May 18, 2025

Phillipsdale Landing The Phillipsdale Landing sondes were deployed for the season on May 6, 2025. Overall, water quality at Phillipsdale Landing was fair to good this week. Weather conditions were wet this week, with a total of 3.51 inches recorded at T.F. Green, and the majority of rainfall occurring on the 5th, 6th, and 9th. … Read more: ​May 5- May 11, 2025

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on July 23, 2025. In the five days prior to the survey, trace amounts of precipitation were recorded at TF Green. Secchi depth averaged 2.0 meters. The lowest clarity this week (1.7 meters) was measured at Edgewood Yacht Club and… Read more: July 23, 2025

Nutrient samples were collected from seven river stations and seven bay stations on June 25th. All bay stations were sampled at the surface and bottom. In the five days prior to sampling, there were 0.01 inches of precipitation recorded at T.F. Green.  Among the river stations sampled, the highest total nitrogen (TN) was observed at… Read more:  June 25, 2025

Phillipsdale Landing The sondes were retrieved this week on December 9th to finish up the 2024 season. Due to the Phillipsdale Landing sondes being removed, we only have data from the morning of December 9th. The sonde removal occurred before the rain reported that day (0.37 inches recorded at TF Green). Blackstone River flows remained… Read more: December 9 – 15, 2024

Phillipsdale Landing Overall, the water quality at Phillipsdale Landing was good this week. Weather conditions included sporadic rain events, with 0.62 inches of precipitation recorded at T.F. Green. The Blackstone River flow fluctuated through the week in response to rain but remained below the 20-year daily median throughout the week. Surface salinity averaged 21.4 ppt… Read more: December 2 – 8, 2024

Phillipsdale Landing Overall, the water quality at Phillipsdale Landing was good this week. Weather conditions included sporadic rain events, with 0.76 inches of precipitation recorded at T.F. Green. The Blackstone River flow fluctuated throughout the week in response to rain. Surface salinity averaged 18.9 ppt and ranged from 6.6 ppt to 25.6 ppt. At the… Read more: November 25 – December 1, 2024

Phillipsdale Landing Overall, the water quality at Phillipsdale Landing was good this week. Weather conditions included sporadic rain events, with 1.71 inches of precipitation recorded at T.F. Green. The Blackstone River flow fluctuated through the week in response to rain, rising above the 21-year daily median at the end of the week. Surface salinity averaged… Read more: November 18 – 24, 2024

Phillipsdale Landing Sondes were swapped this week on the morning of November 14th.  Overall, the water quality at Phillipsdale Landing was good to fair this week. Weather conditions were dry this week, with only 0.09 inches of precipitation recorded at T.F. Green. The Blackstone River flow declined through the week, while remaining below the 21-year… Read more: November 11 – 17, 2024

Phillipsdale Landing Overall, the water quality at Phillipsdale Landing was good this week. Weather conditions were dry this week, with only 0.01 inches of precipitation recorded at T.F. Green. The Blackstone River flow remained stabilized throughout the week, remaining below the 21-year daily throughout the week. Surface salinity averaged 8.7 ppt and ranged from 6.43… Read more: November 4 – 10, 2024

Phillipsdale Landing Sondes were swapped this week on the morning of October 29th.  Overall, water quality at Phillipsdale Landing was good to fair this week. Weather conditions were dry this week, with 0.03 inches of precipitation recorded at T.F. Green. The Blackstone River flow remained relatively stable through the week, remaining below the 22-year daily… Read more: October 28 – November 3, 2024

Phillipsdale Landing Overall, water quality at Phillipsdale Landing was good to fair this week. The weather was dry, with no precipitation recorded at T.F. Green. The Blackstone River flow had small fluctuations throughout the week but remained below the 22-year daily median. Surface salinity averaged 20.5 ppt and ranged from 11.1 ppt to 25.6 ppt.… Read more: October 21 – 27, 2024

Phillipsdale Landing Sondes were swapped this week on the morning of October 17th.  Overall, water quality at Phillipsdale Landing was good this week. The weather was dry, with no precipitation recorded at T.F. Green. The Blackstone River flow steadily increased through the week, while remaining below the 22-year daily median. Surface salinity averaged 24.2 ppt… Read more: October 14 – 20, 2024

Phillipsdale Landing Overall, the water quality at Phillipsdale Landing was good to fair this week. Weather conditions included sporadic rain events, with 0.95 inches of precipitation recorded at T.F. Green. The Blackstone River flow fluctuated through the week in response to rain but remained below the 22-year daily median throughout the week. Surface salinity averaged… Read more: October 7 – 13, 2024

Phillipsdale Landing Sondes were swapped this week on the morning of September 30th.  Overall, water quality at Phillipsdale Landing was good to fair this week. The weather was dry, with no precipitation recorded at T.F. Green. The Blackstone River flow fluctuated throughout the week, while remaining below the 20-year daily median. Surface salinity averaged 24.6… Read more: September 30 – October 6, 2024

Phillipsdale Landing Overall, water quality at Phillipsdale Landing was good to fair this week. Weather conditions included a rain event, with 1.06 inches of precipitation recorded at T.F. Green. The Blackstone River flow fluctuated through the week in response to rain, though it remained below the 20-year daily median through the week. Surface salinity averaged… Read more: September 23 – 29, 2024

On July 16th, 2025, seventeen stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, 0.01 inches of precipitation was recorded at TF Green. Overall bacteria counts were lower than during the previous sampling event.… Read more: July 16, 2025

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on July 16, 2025. In the five days prior to the survey, 0.01 inches of precipitation were recorded at TF Green. Secchi depth averaged 1.9 meters. The lowest clarity this week (1.5 meters) was measured at India Point Park, while… Read more: July 16, 2025

Nutrient samples were collected from seven river stations and seven bay stations on June 11th. All bay stations were sampled at the surface and bottom. In the five days prior to sampling, there were 0.85 inches of  precipitation recorded at T.F. Green.  Among the river stations sampled, the highest total nitrogen (TN), total dissolved nitrogen… Read more: June 11, 2025

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on July 8, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.55 inches of precipitation were recorded at T.F. Green. Water column stratification varied between the sites this week from well-mixed at Pawtuxet… Read more: July 8, 2025

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on July 2, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.02 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from well-mixed at Point… Read more: July 2, 2025

On July 2nd, 2025, twenty stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, 0.03 inches of precipitation was recorded at TF Green. Overall bacteria counts were higher than during the previous sampling event.… Read more: July 2, 2025

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on July 8, 2025. In the five days prior to the survey, 0.55 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.3 meters. The lowest clarity this week (1.3 meters) was measured at Phillipsdale Landing, while the… Read more: July 8, 2025

​Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on July 2, 2025. In the five days prior to the survey, 0.02 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.2 meters. The lowest clarity this week (1.4 meters) was measured at Phillipsdale Landing, while the… Read more: July 2, 2025

Nutrient samples were collected from fourteen river stations and eight bay stations on May 28th. All bay stations were sampled at the surface and one station (Edgewood Shoal) was sampled at the bottom. In the five days prior to sampling, 0.06 inches of precipitation were recorded at T.F. Green.  Among the river stations sampled, the… Read more: May 28, 2025

Nutrient samples were collected from seven river stations and seven bay stations on May 14th. All bay stations were sampled at the surface and the bottom. In the five days prior to sampling, 0.29 inches of precipitation were recorded at T.F. Green.  Among the river stations sampled, the highest total nitrogen (TN) was observed at… Read more: May 14, 2025

Nutrient samples were collected from seven river stations April 30th. In the five days prior to sampling, 0.76 inches of precipitation were recorded at T.F. Green.  The highest total nitrogen (TN), total dissolved nitrogen (TDN) and dissolved inorganic nitrogen (DIN) concentrations were observed at Pawtuxet River @ Broad St. (TN = 1,120 ppb, TDN =… Read more: April 30, 2025

Nutrient samples were collected from seven river stations on April 16th and seven bay stations 17th. All bay stations were sampled at the surface and bottom except for one station (India Point Park) which was only sampled at the surface. In the five days prior to sampling, 0.80 inches of precipitation were recorded at T.F.… Read more: April 16-17, 2025

Nutrient samples were collected from twelve river stations on April 2nd. In the five days prior to sampling, 0.25 inches of precipitation were recorded at T.F. Green.  The highest total nitrogen (TN), total dissolved nitrogen (TDN), and dissolved inorganic nitrogen (DIN) were observed at Ten Mile River @ Central Ave. (TN = 2,040 ppb, TDN… Read more: April 2, 2025

Nutrient samples were collected from seven river stations and eight bay stations on March 19th. All bay stations were sampled at the surface and the bottom. In the five days prior to sampling, 2.21 inches of precipitation were recorded at T.F. Green.  Among the river stations sampled, the highest total nitrogen (TN), total dissolved nitrogen… Read more: March 19, 2025

Nutrient samples were collected from six river stations on March 5th. In the five days prior to sampling, there was no precipitation recorded at T.F. Green.  The highest total nitrogen (TN), total dissolved nitrogen (TDN) and dissolved inorganic nitrogen (DIN) concentrations were observed at Pawtuxet River @ Broad St. (TN = 1,590 ppb, TDN =… Read more: March 5, 2025

Water column profiles were conducted at seven locations in the Providence and Seekonk River estuaries on June 25, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.01 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from weakly stratified at… Read more: June 25, 2025

Phytoplankton samples were collected on June 25, 2025 at Bullock’s Reach and analyzed in the laboratory shortly after collection. The water temperature was 24.98 °C, the salinity was 24.10 psu, and the chlorophyll a was 8.14 ug/L. The qualitative tow net sample had a long filtration time. The filtrate contained jellyfish and had a golden… Read more: June 25, 2025

Phytoplankton samples were collected on June 11, 2025 at Bullock’s Reach and analyzed in the laboratory shortly after collection. The water temperature was 18.0 °C, the salinity was 21.28 psu, and the chlorophyll a was 4.24 ug/L. The qualitative tow net sample had a moderate filtration time. The filtrate had a medium brown/green coloration. The… Read more: June 11, 2025

Surface chlorophyll data were collected on June 25, 2025, while the R/V Monitor was underway collecting nutrient samples in the Providence and Seekonk River estuary. The average chlorophyll concentrations were categorized as fair in the Seekonk River, and as good in all other areas. The average chlorophyll concentrations were categorized as good in all areas… Read more: June 25, 2025

Surface chlorophyll data were collected on June 11, 2025, while the R/V Monitor was underway collecting nutrient samples in the Providence and Seekonk River estuary. The average chlorophyll concentrations were categorized as good in the Seekonk River and Pawtuxet River, and as fair in all other areas. Overall, chlorophyll ranged from 2.85 µg/L to 28.47… Read more: June 11, 2025

Surface chlorophyll data were collected on June 4, 2025, while the R/V Monitor was underway collecting nutrient samples in the Providence and Seekonk River estuary. The average chlorophyll concentrations were categorized as good in the Seekonk River, and as fair in all other areas. Overall, chlorophyll ranged from 1.10 µg/L to 16.10 µg/L with an… Read more: June 4, 2025

Surface chlorophyll data were collected on May 28, 2025, while the R/V Monitor was underway collecting nutrient samples in the Providence and Seekonk River estuary. The average chlorophyll concentrations were categorized as fair in the Southern Providence River, and as good in all other areas. Overall, chlorophyll ranged from 1.35 µg/L to 13.49 µg/L with… Read more: May 28, 2025

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on June 25, 2025. In the five days prior to the survey, 0.01 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.3 meters. The lowest clarity this week (1.3 meters) was measured at Phillipsdale Landing, while the… Read more: June 25, 2025

PROVIDENCE, R.I. – Rhode Island Infrastructure Bank, the state’s central hub for financing infrastructure improvements for municipalities, businesses, and homeowners, has closed on $100,000,000 in Clean Water State Revolving Fund bond financing, with $7,069,000 in principal forgiveness stemming from the Infrastructure Investment and Jobs Act. Bond proceeds will help finance the ongoing construction of the Narragansett Bay Commission’s Combined Sewer Overflow (CSO) Phase III… Read more: R.I. Infrastructure Bank Closes On $100 Million In Bond Financing For NBC Phase III CSO Project

On June 4th, 2025, twenty stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, 0.39 inches of precipitation was recorded at TF Green. Overall bacteria counts remained approximately the same as the previous sampling… Read more: June 4, 2025

On May 21st, 2025, twenty stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, 0.04 inches of precipitation was recorded at TF Green. Overall bacteria counts were lower than during the previous sampling event.… Read more: May 21, 2025

On May 7th, 2025, twenty stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, 2.10 inches of precipitation was recorded at TF Green. Overall bacteria counts were higher than during the previous sampling event.… Read more: May 7, 2025

On April 23rd, 2025, twenty stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, 0.05 inches of precipitation was recorded at TF Green. Overall bacteria counts were lower than during the previous sampling event.… Read more: April 23, 2025

Water column profiles were conducted at seven locations in the Providence and Seekonk River estuaries on June 11, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.85 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from moderately stratified at… Read more: June 11, 2025

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on June 4, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.39 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from weakly stratified at… Read more: June 4, 2025

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on May 28, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 0.15 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from moderately stratified at… Read more: May 28, 2025

Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on June 11, 2025. In the five days prior to the survey, 0.85 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.4 meters. The lowest clarity this week (2.1 meters) was measured at Phillipsdale Landing, while the… Read more: June 11, 2025

​Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on June 4, 2025. In the five days prior to the survey, 0.39 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.6 meters. The lowest clarity this week (1.9 meters) was measured at Phillipsdale Landing, while the… Read more: June 4, 2025

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on May 28, 2025. In the five days prior to the survey, 0.15 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.5 meters. The lowest clarity this week (1.7 meters) was measured at Phillipsdale Landing, while the… Read more: May 28, 2025

Water clarity was measured at eight locations in the Providence River and Seekonk River estuaries on May 21, 2025. In the five days prior to the survey, 0.04 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.8 meters. The lowest clarity this week (2.1 meters) was measured at Phillipsdale Landing, while the… Read more: May 21, 2025

​Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on May 14, 2025. In the five days prior to the survey, 1.73 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.0 meters. The lowest clarity this week (1.7 meters) was measured at Phillipsdale Landing, Edgewood Yacht… Read more: May 14, 2025

Phillipsdale Landing Sondes were swapped this week on the morning of September 17th.  Overall, water quality at Phillipsdale Landing was good to fair this week. Weather conditions included sporadic rain events, with 0.78 inches of precipitation recorded at T.F. Green. The Blackstone River flow remained below the 20-year daily median. Surface salinity averaged 24.3 ppt… Read more: September 16 – 22, 2024

On March 26th, 2025, twenty stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, 1.06 inches of precipitation was recorded at TF Green. Overall, bacteria counts were higher in both the Seekonk and Providence… Read more: March 26, 2025

On March 12th, 2025, twenty stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, no precipitation was recorded at TF Green. Overall, bacteria counts were higher in both the Seekonk and Providence Rivers than… Read more: March 12, 2025

On February 26th, 2025, twenty stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; five of these stations were also sampled for enterococci bacteria. In the five days prior to sampling, no precipitation was recorded at TF Green. Overall, bacteria counts were lower in both the Seekonk and Providence Rivers than… Read more: February 26, 2025

​Water clarity was measured at seven locations in the Providence River and Seekonk River estuaries on May 7, 2025. In the five days prior to the survey, 2.10 inches of precipitation were recorded at TF Green. Secchi depth averaged 2.8 meters. The lowest clarity this week (1.5 meters) was measured at Phillipsdale Landing, while the… Read more: May 7, 2025

Phytoplankton samples were collected on May 14, 2025 at Bullock’s Reach and analyzed in the laboratory shortly after collection. The water temperature was 16.64 degrees Celsius, and the salinity was 13.43 psu. The qualitative tow net sample had a quick filtration time and the filtrate was mostly clear in appearance. The analysis of the quantitative… Read more: May 14, 2025

Phillipsdale Landing Overall, water quality at Phillipsdale Landing was good to fair this week. Weather was dry, with no precipitation recorded at T.F. Green. The Blackstone River flow remained below the 20-year daily daily median. Surface salinity averaged 21.6 ppt and ranged from 16.5 ppt to 26.4 ppt. At the bottom, salinity averaged 26.7 ppt… Read more: September 9 – 15, 2024

Phillipsdale Landing Sondes were swapped this week on the morning of September 5th.  Overall, water quality at Phillipsdale Landing was good to fair this week. Weather conditions were dry, with only a trace amount of precipitation recorded at T.F. Green. The Blackstone River flow remained below the 20-year daily median. Surface salinity averaged 21.7 ppt… Read more: September 2 – 8, 2024

Phillipsdale Landing Overall, water quality at Phillipsdale Landing was good to fair this week. Weather was rainy, with 1.38 inches of precipitation recorded at T.F. Green. The Blackstone River flow fluctuated through the week in response to rain, but remained below the 20-year daily median for most of the week. Surface salinity averaged 20.2 ppt… Read more: August 26 – September 1, 2024

On a bright and warm June morning, the EM team embarked on the inaugural deployment of the RIPDES required monitoring Bullocks Reach buoy, marking the commencement of this season’s environmental data collection efforts. Prior to deployment, EM staff conducted thorough on shore testing of the buoy system to ensure optimal performance. Navigating to the predetermined… Read more: Bullock Reach Buoy

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on May 21, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, less than 0.1 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from weakly… Read more: May 21, 2025

Water column profiles were conducted at seven locations in the Providence and Seekonk River estuaries on May 14, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 1.73 inches of precipitation were recorded at T.F. Green.  Strong stratification of the water column stratification was observed at all sites. Dissolved… Read more: May 14, 2025

Water column profiles were conducted at eight locations in the Providence and Seekonk River estuaries on May 7, 2025 using a Seabird Electronics profiler. In the five days leading up to the survey, 2.1 inches of precipitation were recorded at T.F. Green.  Water column stratification varied between the sites this week from weakly stratified at… Read more: May 7, 2025

Phytoplankton samples were collected on April 17, 2025 at Bullock Reach and analyzed in the laboratory shortly after collection. It was sunny, clear and breezy on this day. The water temperature was 6.11 degrees Celsius, and Sonde data was not recorded. The qualitative tow net sample had a moderate filtration time and the filtrate was… Read more: April 17, 2025

Phillipsdale Landing Sondes were swapped this week on the morning of August 20th.  Overall, the water quality at Phillipsdale Landing was good to fair this week. Weather conditions included sporadic rain events, with 0.49 inches of precipitation recorded at T.F. Green. The Blackstone River flow declined over the week, dropping below the 20-year daily median… Read more: August 19 – 25, 2024

Phillipsdale Landing Overall, water quality at Phillipsdale Landing was fair to poor this week. Weather conditions included sporadic rain events, with 1.18 inches of precipitation recorded at T.F. Green. The Blackstone River flow fluctuated through the week in response to rain. Surface salinity averaged 16.3 ppt and ranged from 7.0 ppt to 23.5 ppt. At… Read more: August 12 – 18, 2024

Phillipsdale Landing Sondes were swapped this week on the morning of August 6th. Overall, the water quality at Phillipsdale Landing was good to fair this week. The weather was rainy, with 1.65 inches of precipitation recorded at T.F. Green. The Blackstone River flow fluctuated through the week in response to rain. Surface salinity averaged 16.6… Read more: August 5 – 11, 2024

Surface chlorophyll data were collected on May 21, 2025, while the R/V Monitor was underway collecting nutrient samples in the Providence and Seekonk River estuary. The average chlorophyll concentrations were categorized as fair in the Edgewood Shoals, and as good in all other areas. Overall, chlorophyll ranged from 1.39 µg/L to 13.49 µg/L with an… Read more: May 21, 2025

Surface chlorophyll data were collected on May 7, 2025, while the R/V Monitor was underway collecting nutrient samples in the Providence and Seekonk River estuary. The average chlorophyll concentrations were categorized as good in all areas surveyed. Overall, chlorophyll ranged from 1.78 µg/L to 8.30 µg/L with an average of 3.46 µg/L. The chlorophyll concentrations… Read more: May 7, 2025

The Narragansett Bay Commission will be conducting smoke testing investigations in the Providence/Cranston area on May 15. These investigations are being conducted to identify sources of extraneous water that discharge into itssanitary sewers. The testing involves blowing white smoke into the sanitary sewer lines in the street and observing/recording where the smoke leaks out. The… Read more: NBC Smoke Testing Scheduled for May 15

On December 18th, 2024, fifteen stations were sampled for fecal coliform bacteria in the Providence and Seekonk Rivers; four of these stations were also sampled for enterococci bacteria. Further sampling was planned for the day in the Seekonk River, but was omitted due to weather issues. In the five days prior to sampling, 0.46” of… Read more: December 18, 2024

Data Stream was deployed to conduct routine bay bacteria sampling on a beautiful April Spring Day. The temperature was 60°F and there was a slight breeze with no precipitation. While navigating up the Seekonk River to the next monitoring station, the crew got a close-up view of the ongoing demolition work of the Washington Bridge.… Read more: April 23, 2025

Phytoplankton samples were collected on March 19, 2025 at Bullock Reach and analyzed in the laboratory shortly after collection. It was sunny and cold on this day. The water temperature was 6.6 degrees Celsius, and jellyfish were observed. Sonde data was not recorded. The qualitative tow net sample had a moderate to long filtration time… Read more: March 19, 2025

Phytoplankton samples were collected on November 14, 2024 at Bullock Reach and analyzed in the laboratory shortly after collection. It was partly sunny, windy and cold on this day. Sonde data was not recorded. The qualitative tow net sample had a quick filtration time and the filtrate contained some light brown particulates and plant matter.… Read more: November 14, 2024

Nutrient samples were collected from six river stations on February 19th. No samples were collected from bay stations due to adverse weather conditions. In the five days prior to sampling, 1.98 inches of precipitation were recorded at T.F. Green.  The highest total nitrogen (TN), total dissolved nitrogen (TDN) and dissolved inorganic nitrogen (DIN) concentrations were… Read more: February 19, 2025

Nutrient samples were collected from twelve river stations on February 5th. No samples were collected from bay stations due to adverse weather conditions. In the five days prior to sampling, 0.74 inches of precipitation were recorded at T.F. Green.  The highest total nitrogen (TN), total dissolved nitrogen (TDN) and dissolved inorganic nitrogen (DIN) concentrations were… Read more: February 5, 2025