Click the plus and minus buttons to zoom in and out. The zip file contains the following GIS shapefiles: Chesapeake Bay Program WebsiteThe Chesapeake Bay Program WIP Tools website provides shapefiles for download. Search for data, maps, apps, and initiatives that are filtered by area … --Return to Do It Yourself GIS Maps. These files delineate various boundaries that are used for Chesapeake Bay Program/EPA modeling. Accuracy:Vector data were derived from rectified raster images of NOS coastal survey maps using ArcInfo processing software. Many rivers are tributaries to the Chesapeake Bay, but the three largest are the Potomac, the Patapsco, and the Patuxent. Figure 8: A view of the various land cover types around Clarksville, Maryland in 2013 from the Chesapeake Conservancy High Resolution Land cover Project.Major tree canopy types are shown as dark green and yellow. The delineation breaks the state up into 138 watersheds whose boundaries generally represent drainage divides between 3rd order rivers or streams. These ArcGIS shapefiles work with the free ArcExplorer GIS viewer, ArcView GIS, ArcGIS, Maptitude, Mapinfo, Manifold, TatukGIS and many other commercial GIS and mapping programs and many free GIS programs as well and they're much less costly than most others. Description. This shapefile is a subset of the rivers shapefile containing only major rivers. Watersheds in this map relate to TMDLs and WLAs in the applicable queries via an 8-digit watershed name identified in the location description. Geospatial data for EPA's Office of Water Programs, including 303(d) Impaired Waters, 305(b) Waters As Assessed and Total Maximum Daily Loads (TMDLs) are available as prepackaged national downloads or as more current GIS web and and data services.EPA provides WATERS geospatial data in a variety of formats including Geographical Information Systems (GIS) compatible shapefiles … Upper Ganga Watershed, India: Sub-Basin Boundaries, 2012. These files delineate various boundaries that are used for Chesapeake Bay Program/EPA modeling. All watersheds within the states of Virgina, Maryland… Featured Interests. Maryland Water Shapefile (651 k) - Water bodies, lakes, ponds ... ArcGIS ( Arc - GIS ) shapefiles are the industry standard and work with most all GIS programs including ESRI ArcView, ArcExplorer, ArcGIS, and Maptitude, Mapinfo, Manifold, Mapwindow, Mapguide and many others. Welcome to the Online Potomac River Atlas. Hydrologic Unit Codes (HUCs) HUCs spatial data are available for download through this USGS website. Stanford 3; Princeton 1 Gallery. Rivers & tributaries data is compiled f... ML InfoMap (Firm). Boat house on Susquehanna River, Havre de Grace, Maryland, April 2005. Zipped shapefile with WISE large rivers, vector line. Chesapeake Bay TMDL Map: The 58 nitrogen TMDLs that comprise the Chesapeake Bay TMDL. The 8-digit scale is the most common management scale for watersheds across the state and therefore is the scale at which most of Maryland’s local TMDLs are developed. Contact Us. A shapefile is a geospatial data format for use in geographic information system (GIS) software. These watersheds are identified via a 12-digit numeric code. Please direct questions or comments to Jim George at (410) 537-3579. Thank you for visiting and being in Washington County, home to five national parks, eight state parks, over thirty museums, first-rate shopping (including Hagerstown Premium Outlets), and a lot a more. 100 Community Place, Crownsville, MD 21032 Toll Free: 877.634.6361 You must have the appropriate GIS software and experience in order to utilize this data. Montgomery County GIS Data. National Wild and Scenic River Lines. The Maryland Counties Gis Data like state boundary shapefile, kml, Geojson, CSV, etc. Projects are defined by geographic location and time period. 100 Community Place, Crownsville, MD 21032. Last updated: August 28, 2017. The shaded polygons in the map above represent Maryland’s 12-digit scale watersheds. GIS Data Catalog. The primary purpose of this dataset is to provide a common, conformant streams coverage for NWS products and processes, including IHABBS and usages as map backgrounds for river forecasts for a variety of National Weather Service applications. However, in some cases, the County may charge a fee ($75 per hour) to cover the cost to produce a non-standard GIS dataset. Training. The data is available for download as a shapefile, spreadsheet, or KML. Below is a list of data available for viewing on the USGS Coastal and Marine Geology Program's U.S. Atlantic East Coast Web Mapping Application.Data have been compiled from a variety of sources and most of the data are currently available on-line for user access and downloads. The shaded polygons in the map above represent the Chesapeake Bay Program watershed model land-river segments in Maryland. These data are updated and maintained through Stewardship partnerships with states and other collaborative bodies. 300-301 West Preston Street, Baltimore, MD 21201 (877) 634-6361 National Hydrography Dataset (NHD)The most current version of the National Hydrography Dataset, the NHD High Resolution, is mapped at a scale of 1:24,000 or larger scale (1:63,360 or larger scale in Alaska). Please refer to the accompanying map to determine which tile or tiles you are interested in. MD iMAP. Format: Shapefile - 2007 to Present; TIGER/Line ASCII format - 2006 and earlier; Census 2000 available in both formats; The core TIGER/Line Files and Shapefiles do not include demographic data, but they do contain geographic entity codes (GEOIDs) that can be linked to the Census Bureau’s demographic data, available on data.census.gov. Search NRI data by clicking on Map. It has been mapped using the U.S. Geological Survey's High Resolution (1:24,000) National Hydrography Dataset (NHD). ArcExport files (.e00) , with the relational and desktop data tables in ArcExport and text formats. 9. Toggle facets Limit your search Institution. Click here for zip file containing GIS shapefiles that delineate the following: Federal Boundary ShapefilesThese files delineate various applicable federal shapefiles for Maryland. Data for NRHP sites was provided by the office of the Chief Archeologist/GIS Coordinator, Maryland Historical Trust, Maryland Department of Planning. About the Map. If you are new to GIS and shapefiles, check here to learn more. Photo by Diane F. Evartt. The delineation breaks the state up into 521 individual watersheds, which have an average size of 12,000 acres. Clicking on “View Larger Map” will take the user to a customizable map interface where additional layers may be added. These watersheds are identified via an 8-digit numeric code. The Potomac River, and the natural beauty of this part of Western Maryland, is a magnet for visitors and residents alike. Open Data. For KML versions of these files, please see our Cartographic Boundary Files - KML page. Our general recommendation to WIP local teams is to plan at the County / Major-Basin scale when working with the Maryland Assessment and Scenario Tool (MAST) provided by the State. If you are working at a scale of Maryland 8-digit watershed, use these images and spreadsheet to map to a CAST modeling segment. Streams, Rivers and Waterway GIS Shapefiles Based on USGS Data. Shapefiles, data tables (.dbf), and an ArcView 3.x project. Zipped shapefile with WISE large rivers, vector line (ZIP archive) 338.24 KB Download file Clicking on "Basemap" allows the user to change the background (e.g. Data Format: ESRI shapefile. AGOL. Enter an address in the window (top right) to zoom to a location. Data was converted to shapefile format 07/08/2005. Our general recommendation to WIP local teams is to plan at the County / Major-Basin scale when working with the Maryland … Thus, these watersheds are smaller in size than the 8-digit scale watersheds and generally represent drainage divides between 2nd order rivers/streams. can be used in many gis software for deriving useful information for decision making. Experience More The first level of classification divides the Nation into 21 major geographic areas, or regions. The MTDB represents a seamless national file with no overlaps or gaps between parts, however, each TIGER/Line shapefile is designed to stand alone as an independent data set, or they can be combined to cover the entire nation. These geographic areas contain either the drainage area of a major river, such as the Missouri region, or the combined drainage areas of a series of rivers, such as the Texas-Gulf region, which includes a number of rivers draining into the Gulf of Mexico. In Louisiana, these divisions are known as parishes. However, in some situations planning at a more specific scale makes sense, such as for municipalities and federal facilities, targeting septic system upgrades near tidal waters and other cases. Listed below are the subdirectory folders for each WSSC tile number that Montgomery County is broken down into. Please direct questions or comments concerning Maryland's TMDL Program to mde.tmdlcoordinator@maryland.gov at (410) 537-3818.​​, 1800 Washington Boulevard, Baltimore, MD 21230. It is important to note that some of the accuracy of the Bay model data degrades at the smaller scales and the complexity of Phase II WIP strategy development increases. Information About The Data Sets & Additional Resources. The segmentation is designed so that each land-river segment drains to only one of the 92 tidal water segments. Maryland geologic map data A GIS database of geologic units and structural features in Maryland, with lithology, age, data structure, and format written and arranged just like the other states. The data layer is "topologically clean" as tested with the ArcInfo Build command. ML InfoMap (Firm). For state-based and national congressional district cartographic boundary files … View Please note that it may take several seconds for the map to load and refresh. Shapefiles have been compared to the original dataset. National Wild and Scenic River Segments . Chesapeake Conservancy Tree Canopy. Time_Period_of_Content: The shaded polygons in the map above represent Maryland’s 8-digit scale watersheds. The primary legal divisions of most states are termed counties. Essentially, this only displayed the polylines with an F_CODE of 4 (meaning it's a river or stream) and only those polylines that have the STATE attribute of VA, MD or MD-VA. The shoreline is seamless within each project. Where available, you can view ESI data or PDF maps in ERMA ® , an online mapping tool for environmental response data, adapted to a variety of regions. Montgomery County Government makes standard GIS datasets publicly available at no cost. Data downloads. View Larger Map Download Shapefile. Right mouse click on the data layer and Data - Export Data create a new shapefile based on the polylines that the definition query displays. These shapefiles include Relative Effectiveness and Federal Lands. Tolerances: Fuzzy = 0.900, Dangle = 0.000. The delineation breaks the state up into 138 watersheds whose boundaries generally represent drainage divides between 3rd order rivers or streams. This data is also intended to make maps, identify trees and tree canopy very precisely at many scales, primarily at the county level. aerial photography, topographic coverage, etc). Clicking on a shaded polygon will display information about that 8-digit watershed, including the watershed name and ID. 2012. The shaded polygons in the map above represent Maryland’s 8-digit scale watersheds. These files are periodically updated so it is important to check the website. These watersheds are identified via an 8-digit numeric code. 580 Taylor Ave., Annapolis MD 21401. Shapefile extracted from the WISE Large rivers and large lakes F1v1 geodatabase. U.S. Data is distributed by project area. Maryland Counties Gis Data The U.S. State Maryland is a mid- Atlantic region state with Annapolis as a Capital city of the state. Choptank River Heritage also provides maps and descriptions of National Register of Historic Places sites, buildings, and maritime vessels in the Choptank River watershed. Watershed Boundary Shapefiles. Original data from EPA containing information on federal ownership (MD area only), Refined data with federal ownership used to inform federal allocations (MD area only), MDE Urban BMP Database - Reported State and Federal BMPs. Major Basin Boundaries - The five major watersheds in Maryland for which EPA provided State allocations that meet Bay water quality targets. Free Geographic Information System (GIS) Data for Maryland This service is for GIS professionals to accompany our imagery offerings. Call toll-free in *Maryland* at 1-877-620-8DNR (8367) Out of State: 410-260-8DNR (8367) This polygon shapefile shows the rivers and tributaries of the Upper Ganga Watershed in India for 2012. Maryland is committed to being open, transparent and providing data that is easy to find, is accessible, and is usable. The 8-digit scale is the most common management scale for watersheds across the state and therefore is the scale at which most of Maryland’s … It is important to note that some of the accuracy of the Bay model data degrades at the smaller scales and the complexity of Phase II WIP strategy development increases. To navigate the map, use your arrow to drag and pan. 1800 Washington Boulevard, Baltimore, MD 21230, Land-River Segment boundaries - The smallest boundary delineated, Segment-Shed boundaries - TMDL boundaries, County Segment-Shed boundaries - Segment-shed intersected with County Boundaries. The delineation breaks the state up into 1,100+ watersheds. The Potomac River runs west and creates a natural border between Maryland and Virginia, while the Patapsco runs north from the Bay through Baltimore.

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