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Inland Water Resources

 namedescriptiontypepublication datemetadatadownload
Fishing and Boating AccessPublic fishing or boating access areas owned or maintained by the Rhode Island Department of Environmental Management. Includes boat ramps, small craft launch areas, and shore fishing access areas on Rhode Island fresh and salt water bodies. 08/2012
fishBoatAcc12.zip (0.1 MB) SHP
Groundwater Quality StandardGroundwater quality standard for major aquifers, public well head areas and other subsurface resources. (Aquifers include those polygon areas shown in Groundwater Recharge Areas, Community Wellhead Protection Areas, and Non-community Wellhead Protection Areas.) 03/2012
gwqstd12.zip (2.2 MB) SHP
Groundwater Recharge AreasCritical portions of recharge areas for major RI groundwater aquifers suitable as sources for untreated drinking water (Also included in Groundwater Quality Standard). 01/2011
gwrchrg10.zip (0.2 MB) SHP
Groundwater ReservoirsMajor groundwater reservoirs for aquifers classified as GAA or GB by RIDEM. 01/2011
gwresv10.zip (0.1 MB) SHP
HydrolinesCenterlines for all fresh water rivers and streams including some seasonal streams in RI. 06/1998
s44hhl98.zip (1.1 MB) E00;
streams.zip (1.0 MB) SHP
Hydrolines (perennial & intermittent)Centerlines of perennial and intermittent streams with widths less than 20 feet from 1988 photography used in developing the RIGIS wetlands data set. 08/1990
s44hst90.zip (1.1 MB) E00
Lakes and PondsAll freshwater lakes, ponds and reservoirs including delineation of major rivers wide enough to be represented as polygon areas on USGS 7.5 minute quad maps. 12/1989
s44hhp88.zip (2.1 MB) E00;
ponds.zip (1.4 MB) SHP
Lakes and Ponds (1:5000)Major lakes and ponds with some name attributes; based on 1:5000 orthophotography from 1997. 01/2011
lakes5k10.zip (2.8 MB) SHP
Lakes, Ponds, and Reservoirs: RI Integrated Water Quality Monitoring and Assessment Report 2012Vector polygon data representing Rhode Island Lakes, Ponds and Reservoirs included in the State's Integrated Water Quality and Assessment Report required under provisions of the US Clean Water Act. 06/2013
lakes_IWQMA12.zip (2 MB) SHP
Public Water Supply ReservoirsSurface reservoirs used as sources for public drinking water supplies. 01/1994
s44hpr94.zip (0.1 MB) E00;
reservoirs.zip (0.1 MB) SHP
Rivers and Streams: RI Integrated Water Quality Monitoring and Assessment Report 2012Vector line data representing Rhode Island rivers and streams included in the State's Integrated Water Quality and Assessment Report required under provisions of the US Clean Water Act. 06/2013
rivers_IWQMA12.zip (2 MB) SHP
Sole Source AquifersAreas in RI and nearby CT designated as sole source aquifers by the U.S. EPA. 09/2011
solesrc11.zip (0.1 MB) SHP
Streams (1:5000)Rivers and streams in Rhode Island derived from the 1997 National Grid_USA/RIDOT Orthophoto Project. Updated to include Strahler stream ordering encoded by RIDEM. 06/2001
streams5k.zip (7 MB) SHP
Surface Water Drainage BasinsSurface water drainage basins and sub-basins in RI (Also included in s44hsb90). 05/1990
s44hdb90.zip (0.6 MB) E00;
basins.zip (0.6 MB) SHP
Surface Water Protection AreasDesignated protection areas around surface water bodies used as public drinking water sources. 04/2002
swatpa_e00.zip (0.2 MB) E00;
swatpa_shp.zip (0.2 MB) SHP
Watershed Boundary DatasetHydrologic unit boundary data for the Subwatershed (12-digit) 6th level for Rhode Island from the USDA Natural Resources Conservation Service. These data have been modified to include watershed names used locally in Rhode Island. 01/2009
HUC12_RI_09.zip (1.3 MB) SHP
Wellhead Protection Areas: CommunityAreas around public community wells considered critical for the protection of their source water supplies (Polygon areas shown in Groundwater Quality Standard). 03/2012
cwhpa12.zip (0.2 MB) SHP
Wellhead Protection Areas: Non-CommunityAreas around public non-community wells considered critical for the protection of their source water supplies (Polygon areas shown in Groundwater Resevoirs). 03/2012
ncwhpa12.zip (0.4 MB) SHP

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