PublicWaterSupplyReservoirs

Data format: ESRI Personal GeoDatabase Feature Class

File or table name: PublicWaterSupplyReservoirs

Coordinate system: State Plane Coordinate System 1983

Theme keywords: Water Reservoirs Hydrology Ponds Lakes Environmental

Abstract: Public Water Supply: Open reservoirs within Boston 133 Urban Areas study boundary. Polygons are extracted from MassGIS 1:25,000 scale statewide composite to produce this layer.

FGDC and ESRI Metadata:

Metadata elements shown with blue text are defined in the Federal Geographic Data Committee's (FGDC) Content Standard for Digital Geospatial Metadata (CSDGM). Elements shown with green text are defined in the ESRI Profile of the CSDGM. Elements shown with a green asterisk (*) will be automatically updated by ArcCatalog. ArcCatalog adds hints indicating which FGDC elements are mandatory; these are shown with gray text.

Identification Information:


Citation:
Citation information:
Originators: MassGIS data; filtered, clipped and prepared by Applied Geographics, Inc.


*Title:
PublicWaterSupplyReservoirs
*File or table name: PublicWaterSupplyReservoirs


Publication date: April 2003
*Geospatial data presentation form: vector digital data


Online linkage: http://www.state.ma.us/mgis/hd.htm


Description:
Abstract:
Public Water Supply: Open reservoirs within Boston 133 Urban Areas study boundary.  Polygons are extracted from MassGIS 1:25,000 scale statewide composite to produce this layer.

Purpose:
To provide locations of all open public water supplty reservoirs within the Boston urbanized area

Supplemental information:
Clipped from MassGIS 1:25,000 scale hydro polygons;  Extracted by poly_code = 1

*Language of dataset: en


Time period of content:
Time period information:
Single date/time:
Calendar date: April 2003

Currentness reference:
publication date

Status:
Progress: Complete
Maintenance and update frequency: Continually

Spatial domain:
Bounding coordinates:
*West bounding coordinate: -71.751797
*East bounding coordinate: -70.547393
*North bounding coordinate: 42.722404
*South bounding coordinate: 41.875105

Local bounding coordinates:
*Left bounding coordinate: 179375.875013
*Right bounding coordinate: 278028.968737
*Top bounding coordinate: 941312.187512
*Bottom bounding coordinate: 847627.187488

Keywords:
Theme:
Theme keywords: Water Reservoirs Hydrology Ponds Lakes Environmental
Theme keyword thesaurus: Water Reservoirs Hydrology Ponds Lakes

Access constraints: No constraints. Data available to the public via MassGIS download.
Use constraints:
No constraints.  Data available to the public via MassGIS download.

Point of contact:
Contact information:
Contact organization primary:
Contact person: Michael Trust
Contact organization: MassGIS

Contact address:
Address type: mailing and physical address
Address:
MassGIS  Executive Office of Environmental Affairs
Address:
251 Causeway St., Suite 900
City: Boston,
State or province: MA
Postal code: 02114
Country: USA

Contact voice telephone: (617) 626-1195
Contact facsimile telephone: (617) 626-1249


Contact electronic mail address: michael.trust@state.ma.us


Hours of service: M-F, 8-5



Data set credit:
MassGIS

Native dataset format: ESRI Personal GeoDatabase Feature Class
*Native data set environment:
Microsoft Windows 2000 Version 5.1 (Build 2600) Service Pack 1; ESRI ArcCatalog 8.3.0.800


Back to Top
Data Quality Information:


Lineage:
Process step:
Process description:
Dataset copied.

Back to Top
Spatial Data Organization Information:


*Direct spatial Rreference method: Vector


Point and vector object information:
SDTS terms description:
*Name: PublicWaterSupplyReservoirs
*SDTS point and vector object type: G-polygon
*Point and vector object count: 192

ESRI terms description:
*Name: PublicWaterSupplyReservoirs
*ESRI feature type: Simple
*ESRI feature geometry: Polygon
*ESRI topology: FALSE
*ESRI feature count: 192
*Spatial index: TRUE
*Linear referencing: FALSE


Back to Top
Spatial Reference Information:


Horizontal coordinate system definition:
Coordinate system name:
*Projected coordinate system name: NAD_1983_StatePlane_Massachusetts_Mainland_FIPS_2001
*Geographic coordinate system name: GCS_North_American_1983

Planar:
Grid coordinate system:
*Grid coordinate system name: State Plane Coordinate System 1983
State Plane Coordinate System:
*SPCS zone identifier: 2001
Lambert conformal conic:
*Standard parallel: 41.716667
*Standard parallel: 42.683333
*Longitude of central meridian: -71.500000
*Latitude of projection origin: 41.000000
*False easting: 200000.000000
*False northing: 750000.000000

Planar coordinate information:
*Planar coordinate encoding method: coordinate pair
Coordinate representation:
*Abscissa resolution: 0.000256
*Ordinate resolution: 0.000256
*Planar distance units: meters

Geodetic model:
*Horizontal datum name: North American Datum of 1983
*Ellipsoid name: Geodetic Reference System 80
*Semi-major axis: 6378137.000000
*Denominator of flattening ratio: 298.257222

Vertical coordinate system definition:
Altitude system definition:
*Altitude resolution: 0.000010
*Altitude encoding method: Explicit elevation coordinate included with horizontal coordinates

Back to Top
Entity and Attribute Information:


Detailed description:
*Name: PublicWaterSupplyReservoirs


Entity type:
*Entity type label: PublicWaterSupplyReservoirs
*Entity type type: Feature Class
*Entity type count: 192

Attribute:
*Attribute label: OBJECTID
*Attribute alias: OBJECTID
*Attribute definition:
Internal feature number.
*Attribute definition source:
ESRI

*Attribute type: OID
*Attribute width: 4
*Attribute precision: 0
*Attribute scale: 0


Attribute domain values:
*Unrepresentable domain:
Sequential unique whole numbers that are automatically generated.


Attribute:
*Attribute label: Shape
*Attribute alias: Shape
*Attribute definition:
Feature geometry.
*Attribute definition source:
ESRI

*Attribute type: Geometry
*Attribute width: 0
*Attribute precision: 0
*Attribute scale: 0


Attribute domain values:
*Unrepresentable domain:
Coordinates defining the features.


Attribute:
*Attribute label: AREA
*Attribute alias: AREA
Attribute definition:
Area of reservoir; meters

*Attribute type: Double
*Attribute width: 8
*Attribute precision: 0
*Attribute scale: 0
*Attribute number of decimals: 3


Attribute:
*Attribute label: PERIMETER
*Attribute alias: PERIMETER
Attribute definition:
Perimeter of reservoir, meters

*Attribute type: Double
*Attribute width: 8
*Attribute precision: 0
*Attribute scale: 0
*Attribute number of decimals: 3


Attribute:
*Attribute label: HD_
*Attribute alias: HD_


*Attribute type: Double
*Attribute width: 8
*Attribute precision: 0
*Attribute scale: 0


Attribute:
*Attribute label: HD_ID
*Attribute alias: HD_ID


*Attribute type: Double
*Attribute width: 8
*Attribute precision: 0
*Attribute scale: 0


Attribute:
*Attribute label: TILE_NAME
*Attribute alias: TILE_NAME


*Attribute type: String
*Attribute width: 8
*Attribute precision: 0
*Attribute scale: 0


Attribute:
*Attribute label: MINOR_TOT
*Attribute alias: MINOR_TOT
Attribute definition:
Concatenated feature code

*Attribute type: String
*Attribute width: 15
*Attribute precision: 0
*Attribute scale: 0


Attribute:
*Attribute label: SRC
*Attribute alias: SRC
Attribute definition:
Data source

*Attribute type: String
*Attribute width: 3
*Attribute precision: 0
*Attribute scale: 0


Attribute:
*Attribute label: PWSID
*Attribute alias: PWSID
Attribute definition:
DEP Public Water Supply identification number

*Attribute type: String
*Attribute width: 11
*Attribute precision: 0
*Attribute scale: 0


Attribute:
*Attribute label: CLASS
*Attribute alias: CLASS
Attribute definition:
Feature is within the watershed of a surface water supply

*Attribute type: String
*Attribute width: 3
*Attribute precision: 0
*Attribute scale: 0


Attribute:
*Attribute label: POLY_CODE
*Attribute alias: POLY_CODE
Attribute definition:
Generalized code based on MINOR_TOT simplified 9 codes

*Attribute type: Double
*Attribute width: 8
*Attribute precision: 0
*Attribute scale: 0


Attribute:
*Attribute label: PALIS_ID
*Attribute alias: PALIS_ID
Attribute definition:
A unique ID from the Ponds and Lakes Information System

*Attribute type: Integer
*Attribute width: 4
*Attribute precision: 0
*Attribute scale: 0


Attribute:
*Attribute label: MINOR_NUM
*Attribute alias: MINOR_NUM
Attribute definition:
Same as MINOR_TOT, as integer

*Attribute type: Double
*Attribute width: 8
*Attribute precision: 0
*Attribute scale: 0


Attribute:
*Attribute label: Shape_Length
*Attribute alias: Shape_Length
*Attribute definition:
Length of feature in internal units.
*Attribute definition source:
ESRI

*Attribute type: Double
*Attribute width: 8
*Attribute precision: 0
*Attribute scale: 0


Attribute domain values:
*Unrepresentable domain:
Positive real numbers that are automatically generated.


Attribute:
*Attribute label: Shape_Area
*Attribute alias: Shape_Area
*Attribute definition:
Area of feature in internal units squared.
*Attribute definition source:
ESRI

*Attribute type: Double
*Attribute width: 8
*Attribute precision: 0
*Attribute scale: 0


Attribute domain values:
*Unrepresentable domain:
Positive real numbers that are automatically generated.


Back to Top
Distribution Information:


Resource description: Downloadable Data


Standard order process:
Digital form:
Digital transfer information:
*Transfer size: 0.414
*Dataset size: 0.414

Back to Top
Metadata Reference Information:


*Metadata date: 20030825


*Language of metadata: en


Metadata contact:
Contact information:
Contact person primary:
Contact person: Richard Sutton
Contact organization: Applied Geograpphics, Inc.
Contact position: Director, Spatial Analysis


Contact address:
Address type: mailing and physical address
Address:
355 Congress Street, Suite A
City: Boston
State or province: MA
Postal code: 02210
Country: USA

Contact voice telephone: (617) 292.7125 x109
Contact facsimile telephone: (617) 292.7911


Contact electronic mail address: rs@appgeo.com


Hours of service: M-F, 9-6



*Metadata standard name: FGDC Content Standards for Digital Geospatial Metadata
*Metadata standard version: FGDC-STD-001-1998
*Metadata time convention: local time


Metadata extensions:
*Online linkage: http://www.esri.com/metadata/esriprof80.html
*Profile name: ESRI Metadata Profile

Back to Top
Binary Enclosures:


Thumbnail:
Enclosure type: Picture



Back to Top