Below is a table of the figures and maps from the 2017 State of Narragansett Bay and Its Watershed Summary report  and Technical report. The table can be sorted by clicking on the column headings or using the search bar. If you are looking for a specific figure or map that is not listed here, please contact info@nbep.org.

File typeTitleReportChapterYear
FigureFigure 4 - Historical changes in percentage of Narragansett Bay Watershed classified as forest or urbanTechnicalLand Use2017
MapUrban lands in the Narragansett Bay WatershedTechnicalLand Use2017
MapForest lands in the Narragansett Bay WatershedTechnicalLand Use2017
MapChanges from 2001 to 2011 in forest and urban landsTechnicalLand Use2017
FigureFigure 2 - Comparison of WWTF nitrogen loading budgetsTechnicalNutrient Loading2017
FigureFigure 3 - Comparison of WWTF phosphorus loading budgetsTechnicalNutrient Loading2017
FigureFigure 4 - Yearly average flow and total flow in millions of gallons per day (MGD) for the Blackstone River from USGS gage at WoonsocketTechnicalNutrient Loading2017
MapOpen space in the Narragansett Bay Watershed based on land use categoriesTechnicalOpen Space2017
MapNatural lands in Narragansett Bay Watershed based on CAPSTechnicalOpen Space2017
MapEcologically significant lands in Narragansett Bay waterhsed based on CAPS with IEI greater than 0.49TechnicalOpen Space2017
FigureFigure 3 - Estimated total population from 1850 to 2000 in Narragansett Bay WatershedTechnicalPopulation2017
MapDasymetric model representing 2010 population density and distribution in the Narragansett Bay WatershedTechnicalPopulation2017
MapHeat map of population change from 1990-2010 in watersheds of Narragansett Bay TechnicalPopulation2017
MapChanges in household density across the Narragansett Bay Watershed from 1940-2010TechnicalPopulation2017
FigureFigure 1 - Annual precipitation at Providence, RITechnicalPrecipitation2017
FigureFigure 2 - Annual precipitation at Worcester, MA TechnicalPrecipitation2017
FigureFigure 3 - Annual Palmer Drought Severity Index (PDSI) for Rhode IslandTechnicalPrecipitation2017
FigureFigure 4 - Annual Palmer Drought Severity Index (PDSI) for MassachusettsTechnicalPrecipitation2017
FigureFigure 5 - Climate model projection of the winter total precipitationin RI or MA to 2100TechnicalPrecipitation2017
FigureFigure 6 - Climate model projction of the winter annual snowfall in RI or MA to 2100TechnicalPrecipitation2017
FigureFigure 1 - Summer (June, July, August, September) average water temperature from 1959 to 2016.TechnicalSeagrass2017
MapShellfishing growing areas in Narragansett Bay by category in 2015TechnicalShellfishing Areas2017
FigureFigure 1 - Annual average water temperature at Woods Hole, MA 1880-2015TechnicalTemperature2017
FigureFigure 2 - Annual mean air temperatures at Worcester, MA 1949-2015TechnicalTemperature2017
FigureFigure 3 - Annual mean air temperature at Warwick, RI 1895-2015TechnicalTemperature2017
FigureFigure 4 - Annual mean surface water temperatures in Narragansett Bay 1960-2010TechnicalTemperature2017
FigureFigure 5 - Annual mean river/stream water temperatures in Scituate ReservoirTechnicalTemperature2017
FigureFigure 6 - Annual mean river/stream water temperatures at Millville, MA TechnicalTemperature2017
FigureFigure 7 - Annual mean river/stream water temperatures from 2007-2014TechnicalTemperature2017
FigureFigure 8 - Seasonal air temperature projections for RI from 1950-2100TechnicalTemperature2017
FigureFigure 1 - Total population and percentage of population in the Narragansett Bay Watershed served by sewersTechnicalWastewater2017
MapExtent of sewer service areas served by wastewater treatment facilities in the NB Watershed TechnicalWastewater2017
MapDensity of buildings that are estimated to be served by onsite systemsTechnicalWastewater2017
MapThe extent of freshwaters and estuarine waters in Narragansett Bay and its Watershed and the waters that have been assessed by MassDEP and RIDEMTechnicalWater Quality - Aquatic Life2017
MapThe extent and proportion of water quality conditions for aquatic life use in the Narragansett Bay Watershed's River BasinsTechnicalWater Quality - Aquatic Life2017
MapThe extent and proportion of state-assessed waters that were either assessed or not assessed for aquatic life use in Narragansett Bay and Its Watershed TechnicalWater Quality - Aquatic Life2017
MapThe extent and proportion of state-assessed waters that were either assessed or not assessed for recreational use in Narragansett Bay and its WatershedTechnicalWater Quality - Recreation2017
MapThe extent and proportion of water quality conditions for recreationsl use that were assessed by the states in the Narragansett Bay watershed's river basinsTechnicalWater Quality - Recreation2017
MapTopography and hydrography of the Narragansett Bay watershed Summary2017
MapNarragansett Bay Bathymetry (water depth)Summary2017
MapWastewater Treatment Facilities: Percent contribution to nitrogen loadingSummary2017
MapMethylmercury concentrations in sediments of Narragansett BaySummary2017
MapShellfish harvesting areas in Narragansett BaySummary2017
MapMonitoring sites in Narragansett BaySummary2017
MapBenthic (seafloor) habitat change between 1988-2008 in Narragansett BaySummary2017
MapLicensed marine beaches in Narragansett BaySummary2017
MapPopulation change from 1990-2010 in the Narragansett Bay watershedSummary2017
MapLand use and water quality conditions for aquatic lifeSummary2017
MapImpervious cover in the Narragansett Bay watershedSummary2017
MapEcological significant lands in the Narragansett Bay watershed Summary2017
MapExtent of seagrass and salt marsh in Narragansett BaySummary2017