 | Fishing and Boating Access | Public 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 Standard | Groundwater 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 Areas | Critical 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 Reservoirs | Major groundwater reservoirs for aquifers classified as GAA or GB by RIDEM. |
| 01/2011 |
|
gwresv10.zip (0.1 MB) SHP
|
 | Hydrolines | Centerlines 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 Ponds | All 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 2010 | Vector 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. |
| 01/2012 |
|
lakes_IWQMA10.zip (0.7 MB) SHP
|
 | Public Water Supply Reservoirs | Surface 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 2010 | Vector 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. |
| 01/2012 |
|
rivers_IWQMA10.zip (1.4 MB) SHP
|
 | Sole Source Aquifers | Areas 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 Basins | Surface 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 Areas | Designated 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 Dataset | Hydrologic 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: Community | Areas 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-Community | Areas 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
|
