Providence Conditions

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The Bullock’s Reach sondes were removed for the season on November 15th. The Phillipsdale sondes were deployed for the season on April 14th.

Bullock Reach

Last Updated: 9/22/16 7:45 AM
Meteorological Data
Wind Speed, 15 min avg (MPH) 2.84
Wind Direction (Deg) 34.72
Air Temperature (C) 19.8
Air Temperature (F) 67.64

Last Updated: 9/22/16 7:45 AM
Sonde Location Surface Middle Bottom
Depth (m) 1.04 6.48 9.23
Temperature (C) 18.55 11.26 11.26
Temperature (F) 65.38 52.26 52.26
Salinity (ppt) 29.67 30.04 30.09
Dis. Oxygen (mg/L) 6.27 8.2 8.28
pH (SU) 10000000 7.88 7.97
Chlorophyll (µ g/L) 0.01 0.99 1.01
Turbidity (NTU) 0 1.65 3.07
Nitrate (ppm N) 0.07 n/a n/a


Last Updated: 4/29/17 4:00 PM
Sonde Location Surface Bottom
Depth (m)
Temperature (C)
Temperature (F) -14366.2 -14366.2
Salinity (ppt)
Dis. Oxygen (mg/L)
pH (SU)
Chlorophyll (µ g/L) n/a


The Narragansett Bay Commission’s (NBC) Mission Statement is to maintain a leadership role in the protection of water quality in Narragansett Bay and its tributaries. The NBC keeps to this vow by continually monitoring water quality at its two buoy locations, collecting water quality casts, mapping surface water quality parameters, and taking samples of the Bay’s bacterial and nutrient levels.

Conimicut Point Lighthouse

Conimicut Point Lighthouse

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Pomham Rocks Lighthouse

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ROMS Modeling Project

Summary of Water Quality in the Bay

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