Massachusetts water features, including lakes, ponds, rivers, streams and wetlands. From USGS hydrography. For full metadata and links to download free data please visit https://www.mass.gov/info-details/massgis-data-massdep-hydrography-125000.

This Feature Service published by MassGIS represents Mouth of River (MOR) lines for Massachusetts coastal rivers originally published by the Massachusetts Department of Environmental Protection (MassDEP) on March 1, 2005 as PDF maps. The PDF maps identify the mouth of the river for coastal rivers in order to provide a clear, consistent, and predictable means of locating all river mouths in the Commonwealth. They are the final MOR maps for each community and represent the culmination of a year's effort that included distribution of draft maps for public comment, receipt and review of over 100 written comments, and field surveys for many of the more difficult mouth of river lines. Each Massachusetts coastal community received a set of maps corresponding to the rivers in their community.

The MOR map lines are intended to

identify where a river ends pursuant to 310 CMR 10.58(2)(c). As provided in 310 CMR 10.58(2)(c) "When a river flows into coastal waters or an embayment, the river shall end at the mouth of coastal river line as delineated on the current mouth of coastal river map series maintained by the Department." represent the limit of Riverfront Area jurisdiction under the Wetlands Protection Act. Land upstream of the MOR line includes Riverfront Areas subject to the protections afforded by the Wetlands regulations; any land seaward of the MOR line is not subject to jurisdiction as a Riverfront Area but remains subject to other inland and coastal provisions of the Wetlands Protection Act.By adopting a uniform approach to mapping river mouths, this data should reduce the need for individual MOR delineations and in turn provide a predictable means for project review for landowners, conservation commissions and MassDEP.See full metadataAlso see the Map Service.

This layer depicts the portion of the Riverfront Area (RFA) located in Massachusetts that is known as the “Densely Developed Area” (DDA). The DDA is a 25-foot wide RFA located adjacent to both sides of a river established through the Massachusetts Rivers Protection Act, Acts of 1996 Chapter 258, that is regulated through the Massachusetts Wetlands Protection Act, Massachusetts General Law 131 § 40. The RFA, including the DDA, was established to protect the following interests: private and public water supply, groundwater, flood control, storm damage prevention, pollution prevention, land containing shellfish, wildlife habitat and fisheries. DDAs were established directly by the Rivers Protection Act, the Massachusetts Department of Environmental Protection (MassDEP) through regulation upon initial adoption of the regulations implementing the Rivers Protection Act in 1996, and thereafter by the Massachusetts Secretary of the Executive Office of Environmental Affairs (now Energy and Environmental Affairs or EEA). The DDA designation recognizes the RFA is narrow in established densely developed areas. See metadata here…Feature service also available here…

These data are the lidar points collected for FEMA Risk Mapping, Assessment, and Planning (Risk MAP) for the Merrimack River Watershed. This area falls in portions of Hillsborough, Belknap, Merrimack, Rockingham and Strafford counties in New Hampshire and portions of Essex, Middlesex and Worcester counties in Massachusetts. Using a Leica ALS60 LiDAR system, a total of 268 flight lines of hig...

The interactive map displays the water quality data collection sites in the Merrimack River Basin, Massachusetts.

The Digital Geologic-GIS Map of Little River Canyon National Preserve and Vicinity, Alabama and Georgia is composed of GIS data layers and GIS tables, and is available in the following GRI-supported GIS data formats: 1.) a 10.1 file geodatabase (liri_geology.gdb), a 2.) Open Geospatial Consortium (OGC) geopackage, and 3.) 2.2 KMZ/KML file for use in Google Earth, however, this format version of the map is limited in data layers presented and in access to GRI ancillary table information. The file geodatabase format is supported with a 1.) ArcGIS Pro map file (.mapx) file (liri_geology.mapx) and individual Pro layer (.lyrx) files (for each GIS data layer), as well as with a 2.) 10.1 ArcMap (.mxd) map document (liri_geology.mxd) and individual 10.1 layer (.lyr) files (for each GIS data layer). The OGC geopackage is supported with a QGIS project (.qgz) file. Upon request, the GIS data is also available in ESRI 10.1 shapefile format. Contact Stephanie O'Meara (see contact information below) to acquire the GIS data in these GIS data formats. In addition to the GIS data and supporting GIS files, three additional files comprise a GRI digital geologic-GIS dataset or map: 1.) this file (liri_geology_gis_readme.pdf), 2.) the GRI ancillary map information document (.pdf) file (liri_geology.pdf) which contains geologic unit descriptions, as well as other ancillary map information and graphics from the source map(s) used by the GRI in the production of the GRI digital geologic-GIS data for the park, and 3.) a user-friendly FAQ PDF version of the metadata (liri_geology_metadata_faq.pdf). Please read the liri_geology_gis_readme.pdf for information pertaining to the proper extraction of the GIS data and other map files. Google Earth software is available for free at: https://www.google.com/earth/versions/. QGIS software is available for free at: https://www.qgis.org/en/site/. Users are encouraged to only use the Google Earth data for basic visualization, and to use the GIS data for any type of data analysis or investigation. The data were completed as a component of the Geologic Resources Inventory (GRI) program, a National Park Service (NPS) Inventory and Monitoring (I&M) Division funded program that is administered by the NPS Geologic Resources Division (GRD). For a complete listing of GRI products visit the GRI publications webpage: For a complete listing of GRI products visit the GRI publications webpage: https://www.nps.gov/subjects/geology/geologic-resources-inventory-products.htm. For more information about the Geologic Resources Inventory Program visit the GRI webpage: https://www.nps.gov/subjects/geology/gri,htm. At the bottom of that webpage is a "Contact Us" link if you need additional information. You may also directly contact the program coordinator, Jason Kenworthy (jason_kenworthy@nps.gov). Source geologic maps and data used to complete this GRI digital dataset were provided by the following: Geological Survey of Alabama and Auburn University, Department of Geosciences. Detailed information concerning the sources used and their contribution the GRI product are listed in the Source Citation section(s) of this metadata record (liri_geology_metadata.txt or liri_geology_metadata_faq.pdf). Users of this data are cautioned about the locational accuracy of features within this dataset. Based on the source map scale of 1:24,000 and United States National Map Accuracy Standards features are within (horizontally) 12.2 meters or 40 feet of their actual location as presented by this dataset. Users of this data should thus not assume the location of features is exactly where they are portrayed in Google Earth, ArcGIS, QGIS or other software used to display this dataset. All GIS and ancillary tables were produced as per the NPS GRI Geology-GIS Geodatabase Data Model v. 2.3. (available at: https://www.nps.gov/articles/gri-geodatabase-model.htm).

February 2022

Rivers may be designated by Congress or, if certain requirements are met, the Secretary of the Interior. Each river is administered by either a federal or state agency. https://www.rivers.gov/maps-graphics

This datalayer is part of a group of layers used for research in the Ipswich River Watershed. This layer includes the area within each town in the Ipswich River Watershed in vector form. This map contains complete information and was derived from the ip30_noinfo_towns layer. To show area within the towns the make up the Ipswich River Watershed study area.

This map shows the location of wetland areas inside of the Ipswich Study Area This map can be used to show where wetlands are located within the Ipswich Study Area.

MassGIS Basemap, as a tile layer hosted at ArcGIS Online.

This map includes a topographic base with terrain and natural features including shaded relief, states outside Massachusetts, water bodies and rivers, wetlands, cranberry bogs, tidal flats, elevation contours and protected open space.

Detailed features include: Political Boundaries (Massachusetts cities and towns and counties), Transportation (Massachusetts Department of Transportation Roads, MBTA subway and Commuter Rail lines and stations, Airports, Airport Runways and Airfields, Ferry Routes and Seaports), Infrastructure and Facilities (Lighthouses, Schools, Colleges and Universities, Hospitals, Police Stations, Fire Stations, Town Halls, Places of Worship and 2-D building roofprints).

Does not include parcels.

This tile cache is used in the MassGIS Basemap web map, which appears in the Basemaps dropdown in MassGIS' ArcGIS Online web maps and apps.

Read more...

These data are the lidar points collected for FEMA Risk Mapping, Assessment, and Planning (Risk MAP) for the Nashua River Watershed. This area falls in portions of Hillsborough County in New Hampshire and portions of Middlesex and Worcester counties in Massachusetts. Using a Leica ALS60 LiDAR system, a total of 35 flight lines of high density (Nominal Pulse Spacing of 2.0 m) were collected over the Nashua area which encompasses 530.3 square miles. A total of 3 missions were flown on May 6, 2011 and May 7, 2011. One airborne global positioning system (GPS) base station was used to support the LiDAR data acquisition: FIT B. The data were received by the NOAA Office for Coastal Management from NH GRANIT. For data storage and Digital Coast provisioning purposes the data were: 1. Converted from UTM Zone 19, meters, NAD83 to geographic coordinates. 2. Converted from NAVD88 (Geoid09), meters to ellipsoid heights, using Geoid09 3. Converted overlap points that were classified as 11 to class 12 (Overlap). Data available for download from the Digital Coast include the following classifications: 1. 1 (Unclassified) 2. 2 (Ground) 3. 7 (Low Point Noise) 4. 9 (Model Key Points) 5. 12 (Overlap)

This spring, MassWildlife stocked brook, brown, rainbow, and tiger trout in over 450 lakes, ponds, rivers, and streams in 264 towns across Massachusetts!

Geotiff image of the Bristol map. Includes collar information

The 2022 Integrated List of Waters data is the spatial representation of the river, lake, and estuary segments assessed and summarized in the Massachusetts Year 2018 Integrated List of Waters report to the EPA developed pursuant to sections 305(b), 314, and 303(d) of the Federal Clean Water Act.Map service also available.

City of Cambridge, MA, GIS basemap development project encompasses the land area of City of Cambridge with a 200-foot fringe surrounding the area and Charles River shoreline towards Boston. The basemap data was developed at 1" = 40' mapping scale using digital photogrammetric techniques. Planimetric features; both man-made and natural features like vegetation, rivers have been depicted. These features are important to all GIS/mapping applications and publication. A set of data layers such as Buildings, Roads, Rivers, Utility structures, 1 ft interval contours are developed and represented in the geodatabase. The features are labeled and coded in order to represent specific feature class for thematic representation and topology between the features is maintained for an accurate representation at the 1:40 mapping scale for both publication and analysis. The basemap data has been developed using procedures designed to produce data to the National Standard for Spatial Data Accuracy (NSSDA) and is intended for use at 1" = 40 ' mapping scale. Where applicable, the vertical datum is NAVD1988.Explore all our data on the Cambridge GIS Data Dictionary.Attributes NameType DetailsDescription ELEV type: Doublewidth: 8precision: 38 Elevation of top of street light above sea level

TYPE type: Stringwidth: 50precision: 0

The U.S. Army Corps of Engineers is authorized to regulate the construction of any structure or work within navigable waters under sections 9 and 10 of the Rivers and Harbors Act (RHA). The RHA authorizes the COE to regulate the construction of such diverse activities as wharves, breakwaters, or jetties; bank protection or stabilization projects; permanent mooring structures, vessels, or marinas; intake or outfall pipes; canals; boat ramps; aids to navigation; or other modifications affecting the course, location condition, or capacity of navigable waters. The COE's jurisdiction under RHA is limited to "navigable waters," or waters subject to the ebb and flow of the tide shoreward to the mean high water mark that may be used to transport interstate or foreign commerce.

The Unpublished Digital Geologic-GIS Map of the Little River Quadrangle, Alabama is composed of GIS data layers and GIS tables in a 10.1 file geodatabase (lirv_geology.gdb), a 10.1 ArcMap (.mxd) map document (lirv_geology.mxd), individual 10.1 layer (.lyr) files for each GIS data layer, an ancillary map information document (liri_geology.pdf) which contains source map unit descriptions, as well as other source map text, figures and tables, metadata in FGDC text (.txt) and FAQ (.pdf) formats, and a GIS readme file (liri_geology_gis_readme.pdf). Please read the liri_geology_gis_readme.pdf for information pertaining to the proper extraction of the file geodatabase and other map files. To request GIS data in ESRI 10.1 shapefile format contact Stephanie O'Meara (stephanie.omeara@colostate.edu; see contact information below). Presently, a GRI Google Earth KMZ/KML product doesn't exist for this map. The data were completed as a component of the Geologic Resources Inventory (GRI) program, a National Park Service (NPS) Inventory and Monitoring (I&M) Division funded program that is administered by the NPS Geologic Resources Division (GRD). Source geologic maps and data used to complete this GRI digital dataset were provided by the following: Geological Survey of Alabama and Auburn University, Department of Geosciences. Detailed information concerning the sources used and their contribution the GRI product are listed in the Source Citation section(s) of this metadata record (lirv_geology_metadata.txt or lirv_geology_metadata_faq.pdf). Users of this data are cautioned about the locational accuracy of features within this dataset. Based on the source map scale of 1:24,000 and United States National Map Accuracy Standards features are within (horizontally) 12.2 meters or 40 feet of their actual location as presented by this dataset. Users of this data should thus not assume the location of features is exactly where they are portrayed in ArcGIS or other software used to display this dataset. All GIS and ancillary tables were produced as per the NPS GRI Geology-GIS Geodatabase Data Model v. 2.3. (available at: http://science.nature.nps.gov/im/inventory/geology/GeologyGISDataModel.cfm). The GIS data projection is NAD83, UTM Zone 16N. The data is within the area of interest of Little River Canyon National Preserve.

Adobe PDF of the Quaternary Geologic Map of the Bristol Quadranglerangle, Rhode Island

This datalayer in this map service contains the watershed extents for all surface water supplies including active, inactive, emergency, sources outside of Massachusetts, watersheds that extend into other states and watersheds of sources from other states that extend into Massachusetts. Surface water intakes on Class B Rivers are not included in this datalayer, with the exception of Horn Pond in Woburn where the water is drawn in through wells adjacent to the shoreline.More details...Map service also available.