MassDEP Hydrography (1:25,000) (Polygons)

MassGIS, MA Dept. of Environmental Protection 20191216 MassDEP Hydrography (1:25,000) (Polygons) vector digital data GISDATA.HYDRO25K_POLY The MassDEP Hydrography layer is an enhanced version of the 1:25,000 Hydrography datalayer. It represents hydrographic (water-related) features, including surface water (lakes, ponds, and reservoirs), wetlands, bogs, flats, rivers, streams, and others (see below).The layer is a hybrid of data based on USGS Digital Line Graphs (DLGs), scanned mylar separates obtained from the USGS, digitized hydrographic features from paper USGS 1:25,000 Topographic Quadrangle maps and data extracted from the MassDEP Wetlands datalayer. Areas within many surface water supply watersheds have been enhanced by using higher resolution streams and lakes from the MassDEP Wetlands datalayer, many areas have also been field verified. This layer is intended as an interim product that will be incorporated into the USGS's National Hydrography Dataset (NHD) when funding and resources become available. If you are interested in providing data, funding, field work, or becoming part of an NHD working group, please contact Tara Manno Richer of the MassDEP GIS Program by email at tara.manno@mass.gov. Full metadata available at https://docs.digital.mass.gov/dataset/massgis-data-massdep-hydrography-125000. Medium-scale water features, including lakes, ponds and wetlands, for planning, analysis, and cartographic display. en The DLG quadrangles were converted into Arc/INFO coverages and projected into the Massachusetts State Plane Coordinate System. The long list of items (MAJOR1, MINOR1, MAJOR2, MINOR2...) was then concatenated to a more simplified coding system. For each feature MINORn was truncated to three characters and linked to the other minor codes to create MINOR_TOT. For example, a submerged (612) wetland (111) is now coded MINOR_TOT = 612111. The original MAJORn, MINORn pairs are no longer part of the attribute tables. Quadrangles covering Nantucket and Martha's Vineyard were completely digitized from the 1:25,000 USGS quadrangles. Though not as thoroughly coded as the 1:25,000 DLGs, the linework is all at 1:25,000. The scanned quadrangles were automated in-house by scanning USGS mylar separates at 500 dots per inch. The resulting images were vectorized in GRID and then edited in ARCEDIT. Features missing from the blue line separate (i.e. dams or man-made shore) were digitized from the paper quadrangles. Four quads along the Massachusetts-Connecticut border were obtained from the Connecticut DEP and projected to the Massachusetts State Plane Coordinate System. An ongoing project by the MassDEP GIS Program to redelineate surface water supply watersheds using digital terrain models is adding additional streams within the newly delineated watersheds. These streams are from the MassDEP Wetlands datalayer with some additional on screen digitizing from the 2005 Color OrthoPhotos. Streams added from this process are generally coded as intermittent unless field verification proves otherwise. In 2007 the outlines of all reservoirs were replaced with those from the MassDEP Wetlands datalayer so either dataset can be used with the SWP Zones datalayer. In 2008 field verified streams for the Wachusett Reservoir watershed were provided by DCR West Boylston GIS staff and added. All of the digitized quadrangles were checkplotted at 1:25,000. The 1:25,000 DLG quadrangles were randomly checkplotted. Each of the quadrangles was edgematched to its neighboring quads. The scanned hydrography was compared both to the source mylar and to the paper quadrangles to ensure completeness. 20191216 publication date Complete As needed -73.525811 -69.407225 43.002511 40.884000 34778.722700 370684.843800 739141.312500 972430.250000 None rivers streams water hydrography None None Feature Class See the "Abstract" section of this document for details. The 2007 update includes new streams within the watersheds of active sources in Lynn, Peabody, Danvers, Middleton, Beverly, Manchester, and Ipswich. The 2008 update includes new streams within the watersheds of active sources in Gloucester, Rockport, Ipswich, Newburyport, Amesbury, Haverhill, Andover, North Andover, Wakefield, Winchester, Woburn, Burlington, Lincoln, Concord, Leominster, Fitchburg, Worcester, Greenfield and the entire Wachusett Reservoir watershed. Please refer to the SWP Watersheds and SWP Zones datalayers for additional information on this project. Robert Hames MassDEP 617-556-1115 robert.hames@state.ma.us Vector Simple FALSE 0 FALSE FALSE coordinate pair 0.000100 0.000100 meters North American Datum of 1983 Geodetic Reference System 80 6378137.000000 298.257222 GCS_North_American_1983 NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001 1.000000 Explicit elevation coordinate included with horizontal coordinates MINOR_NUM Concatenated Digital Line Graph (DLG) codes - same as MINOR_TOT, as integer 0 20 109 SEWAGE DISP/FILT BED 200 SHORELINE 201 MANMADE SHORELINE 202 CLOSURE LINE 203 INDEFINITE SHORELINE 204 APPARENT LIMIT 210 TRANSPORT ARC 211 UPLAND TRANSPORT ARC 300 SPRING 401 FALLS 405 WATER INTAKE 406 DAM/WEIR 407 CANAL LOCK 408 SPILLWAY 409 GATE 412 STREAM 414 DITCH/CANAL 415 AQUEDUCT 416 FLUME 419 CHANNEL IN WATER 422 CORAL REEF 605 RIGHT BANK 606 LEFT BANK 999 UNKNOWN OR NEAT LINE 7204 APPARENT LIMIT 9606 LEFT BANK 200009 SHORELINE 200201 MANMADE SHORELINE 200606 LEFT BANK/SHORE 200610 INTERMITTENT SHORE 201002 MANMADE SHORELINE 201009 MANMADE SHORELINE 201020 MANMADE SHORELINE 201605 MANMADE RIGHT BANK 201606 MANMADE LEFT BANK 202412 CLOSURE LINE/STREAM 203625 INDEFINITE SHORE 203627 INDEFINITE SHORE 204007 APPARENT LIMIT 204009 APPARENT LIMIT 406009 DAM/WEIR 406017 DAM/WEIR 406618 DAM/WEIR-EARTHEN 412007 STREAM 412009 STREAM 412020 STREAM 412202 STREAM CLOSURE LINE 412601 STREAM-UNDERGROUND 412604 STREAM-TUNNEL 412609 STREAM-UNSURVEYED 412610 STREAM-INTERMITTENT 414009 DITCH/CANAL 414017 DITCH/CANAL 414610 CANAL-INTERMITTENT 414611 CANAL-ABANDONED 415412 AQUEDUCT/STREAM 415601 AQUEDUCT-UNDERGROUND 415604 AQUEDUCT-TUNNEL 415605 AQUEDUCT RIGHT BANK 415611 AQUEDUCT-ABANDONED 415612 SUBMERGED AQUEDUCT 601412 UNDERGROUND STREAM 605009 RIGHT BANK 605201 RIGHT BANK-MANMADE 606009 LEFT BANK 606201 LEFT BANK-MANMADE 610200 INTERMITTENT SHORE 610412 INTERMITTENT STREAM 610414 INTERMITTENT CANAL 610421 INTERMITTENT POND 200618406 SHORE/EARTHEN DAM 201009020 MANMADE SHORE 201020002 MANMADE SHORE 201020605 MANMADE RIGHT BANK 201605020 MANMADE RIGHT BANK 201606009 MANMADE LEFT BANK 201606020 MANMADE LEFT BANK 202412617 CLOS LINE/STR UNDERP 406009017 DAM/WEIR 406618017 DAM-EARTHEN 406618200 DAM-EARTHEN/SHORE 412610009 STREAM-INTERMITTENT 412610202 INT STREAM CLOSURE 412610617 INT STRM UNDERPASS 412610202006 INT STREAM CLOSURE MINOR_NUM Double 19 18 8 USGS FID FID OID 4 0 0 Internal feature number. Esri Sequential unique whole numbers that are automatically generated. HYDRO25K_POLY Feature Class 0 MINOR_TOT Type of water feature concatenated Digital Line Graph (DLG) codes, same as MINOR_NUM, as text string MINOR_TOT String 15 USGS Sequential unique whole numbers that are automatically generated. 0 0 POLY_CODE POLY_CODE Double 0 Generalized code based on MINOR_TOT 0 LAND/ISLAND/DAM/AQUEDUCT 1 RESERVOIR (with PWSID) 2 WETLAND, MARSH, SWAMP, BOG 3 SUBMERGED WETLANDS 4 CRANBERRY BOG 5 SALT WETLANDS 6 LAKE, POND, WIDE RIVER, IMPOUNDMENT 7 TIDAL FLATS, SHOALS 8 BAY, OCEAN 9 INUNDATED AREA Sequential unique whole numbers that are automatically generated. 10 0 MassDEP PWSID DEP PWS ID number of downstream public surface drinking water supply PWSID String 11 0 0 PALIS_ID PALIS_ID Double 0 A unique ID from the Ponds and Lakes Inventory System 10 0 MassDEP SOURCE SOURCE String 12 Program Source for the feature USGS/MGIS Original 1:25,000 Hydrography MassDEP DEPGIS Added from DEP Wetlands by DEP GIS staff MassDEP DCRGIS From DEP Wetlands and edits/verified by DCR staff MassDEP Coordinates defining the features. 0 0 ESRI NAME NAME String 50 0 0 Feature name, from PALIS and USGS quads MassGIS RESOLUTION RESOLUTION String 12 0 0 National Hydrography Dataset corresponding resolution MassDEP HIGH Nominally > 1:25,000 MassDEP LOCAL < 1:25,000, nominally 1:12,000, some at 1:5,000 MassDEP JOIN_ID JOIN_ID Integer 10 10 0 MassGIS COASTAL COASTAL SmallInteger 1 1 0 Indicates if a polygon is open to the coast. MassGIS SHAPE SHAPE Geometry 0 0 0 Feature geometry. Esri Coordinates defining the features. SHAPE_AREA SHAPE_AREA Double 19 0 0 Area of feature in internal units squared. Esri Positive real numbers that are automatically generated. SHAPE_LEN SHAPE_LEN Double 19 0 0 20130718 13404600 TRUE 20191218 16543500 20191418 175NnS1300 HYDRO25K_POLY 002 34778.722700 370684.843800 739141.312500 972430.250000 1 0.000 Projected GCS_North_American_1983 NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001 <ProjectedCoordinateSystem xsi:type='typens:ProjectedCoordinateSystem' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xmlns:xs='http://www.w3.org/2001/XMLSchema' xmlns:typens='http://www.esri.com/schemas/ArcGIS/10.6'><WKT>PROJCS["NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001",GEOGCS["GCS_North_American_1983",DATUM["D_North_American_1983",SPHEROID["GRS_1980",6378137.0,298.257222101]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["False_Easting",200000.0],PARAMETER["False_Northing",750000.0],PARAMETER["Central_Meridian",-71.5],PARAMETER["Standard_Parallel_1",41.71666666666667],PARAMETER["Standard_Parallel_2",42.68333333333333],PARAMETER["Latitude_Of_Origin",41.0],UNIT["Meter",1.0],AUTHORITY["EPSG",26986]]</WKT><XOrigin>-36530900</XOrigin><YOrigin>-28803200</YOrigin><XYScale>122610652.81195112</XYScale><ZOrigin>-100000</ZOrigin><ZScale>10000</ZScale><MOrigin>-100000</MOrigin><MScale>10000</MScale><XYTolerance>0.001</XYTolerance><ZTolerance>0.001</ZTolerance><MTolerance>0.001</MTolerance><HighPrecision>true</HighPrecision><WKID>26986</WKID><LatestWKID>26986</LatestWKID></ProjectedCoordinateSystem> Linear Unit: Meter (1.000000) 1.0 FGDC CSDGM Metadata 50000 5000 FGDC Version 6.2 (Build 9200) ; Esri ArcGIS 10.6.1.9270 MassDEP Hydrography (1:25,000) (Polygons) 2019-12-16T00:00:00 external a258336ed64c9a9dba524b8ce0322c94 MassGIS One Ashburton Place, Room 819 Boston MA 02108 US 617-619-5611 True MassGIS 34778.7227 370684.8438 972430.25 739141.3125 1 -73.525811 -69.407225 43.002511 40.884 1 002 1 -73.525811 -69.407225 43.002511 40.884000 Medium-scale water features, including lakes, ponds and wetlands, for planning, analysis, and cartographic display. <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The MassDEP Hydrography layer is an enhanced version of the 1:25,000 Hydrography datalayer. It represents hydrographic (water-related) features, including surface water (lakes, ponds, and reservoirs), wetlands, bogs, flats, rivers, streams, and others (see below).</SPAN></P><P><SPAN>The layer is a hybrid of data based on USGS Digital Line Graphs (DLGs), scanned mylar separates obtained from the USGS, digitized hydrographic features from paper USGS 1:25,000 Topographic Quadrangle maps and data extracted from the MassDEP Wetlands datalayer. Areas within many surface water supply watersheds have been enhanced by using higher resolution streams and lakes from the MassDEP Wetlands datalayer, many areas have also been field verified. This layer is intended as an interim product that will be incorporated into the USGS's National Hydrography Dataset (NHD) when funding and resources become available. If you are interested in providing data, funding, field work, or becoming part of an NHD working group, please contact Tara Manno Richer </SPAN><SPAN>of the MassDEP GIS Program by email at </SPAN><A href="mailto:tara.manno@mass.gov"><SPAN>tara.manno@mass.gov</SPAN></A><SPAN>.</SPAN></P><P><SPAN>Full metadata available at </SPAN><A href="https://docs.digital.mass.gov/dataset/massgis-data-massdep-hydrography-125000"><SPAN>https://docs.digital.mass.gov/dataset/massgis-data-massdep-hydrography-125000</SPAN></A></P></DIV></DIV></DIV> lakes ponds wetlands rivers streams water hydrography <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>None</SPAN></P></DIV></DIV></DIV> USGS, MassGIS, MassDEP external 41f05ac1a3aff395b130857c4d64df9f Kashif Rashid MA Department of Environmental Protection (MassDEP) GIS Program Director 1 Winter Street Boston MA 02108 Kashif.Rashid@mass.gov US 617-292-5851 Brian Brodeur True Kashif Rashid ISO 19115 Geographic Information - Metadata DIS_ESRI1.0 dataset 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HYDRO25K_POLY and ARC and removed old polys and linework. - Lake Ellis (PALIS 35023) - Athol: Renamed from "Ellis Pond". - Petersons Saw Mill Pond (PALIS 94111) - Duxbury: Renamed from "North West Duxbury Pond". - Nipmuc Pond (PALIS 51111) - Mendon: Renamed from "Nipmuck Pond". - Assabet River - Northborough: The word "Reservoir" was removed from the name. - Betty Pond (PALIS 35010) - Templeton: Renamed from "Brazell Pond". Based on GNIS names and other input. Edits made in conjunction with MassDEP. 2019-12-16T00:00:00 MassGIS One Ashburton Place, 8th Floor Boston MA 02108 US michael.trust@mass.gov 617-619-5615 Michael Trust Sr. GIS Database Administrator MassGIS