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DirectWatershed

SDE Feature Class

Tags
health, public water supply, watersheds, 24000, inlandWaters, utilities Communication, HEALTH AND SAFETY


Summary

DIRECTWATERSHED watersheds were extracted and modified from other watershed data to facilitate conduct of the source water assessment program. Its primary purpose is to assist in management of spatial nformation about PWSs in compliance with the federal Safe Drinking Water Act as Amended 1996 and 22 MRSA Chapter 601 Detailed design decisions may require additional locational data. Field verification of location, ownership, and other attributes is strongly recommended

Description

DIRECTWATERSHED depicts watershed areas of surface waters that are active sources of Maine public water supplies, depicted at 1:24000 scale. For river systems, the watershed is arbitrarily truncated .5 mile (0.8 kilometers) upstream of the intake. For lake systems, the direct watershed is truncated at the first order bifurcation of each tributary stream. Watershed delineations for some public water supply surface waters were based on new delineations verified by field work. Data, from the Maine GIS dataset MEDRDVD were used to represent watershed boundaries where these provided the best known representation. When available, the local knowledge of the water supplier was used to adjust the boundaries. Some watersheds are not in active use by public water systems, but are held in reserve for future growth or emergencies. TINGIS, an attribute table, can be joined to this dataset to determine active water supplies.

Credits

Dataset developed by Maine CDC Drinking Water Program, with logistical and financial support from US EPA and MEGIS.

Use limitations

Detailed design decisions may require additional locational data. Field verification of location, ownership, and other attributes is strongly recommended. Users must assume responsibility in determining the usability of this data for their purposes. Digital maps retain the accuracy of their source materials. The best use of data mapped at scales of 1:500,000 and 1:250,000 is in statewide planning and studies; at 1:100,000 in regional planning and studies; at 1:62,500 and 1:24,000 in detailed studies and local planning; and at 1:12,000 and 1:5,000 or larger scales in parcel level studies and detailed local planning. In the use of Maine GIS data, please check sources, scale, accuracy, currentness and other available information. Please confirm that you are using the most recent copy of both data and metadata from the Maine GIS Data Catalog. The Maine Office of Geographic Information Systems (MEGIS) provides notice of updates and corrections directly to the Maine GIS Technical Group and to Maine GIS Users, through the MEGISTECH and MEGISUSER list servers. To subscribe please contact the MEGIS technical support line at (207) 624-7700. To request correction of, or provide updates to, Maine GIS data a feedback form is available athttp://www.maine.gov/megis/, or you may contact MEGIS directly. MEGIS is not responsible for local edits to data or metadata. Updates, corrections, and feedback, incorporated in the Maine GIS database are made in accordance with "Data Standards for Maine Geographic Information Systems", 2002, and coordinated by MEGIS in consultation with the Maine GIS Executive Council.

Extent

West  -71.032631    East  -66.995975
North  47.371739    South  43.159880

Scale Range

ArcGIS Metadata 

Topics and Keywords 

*Content type  Downloadable Data


Citation 

*Title GISVIEW.MEDWP.DirectWatershed


Presentation formats  digital map


Resource Details 

Dataset languages  English (UNITED STATES)


Spatial representation type  vector


*Processing environment Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; Esri ArcGIS 10.1.1.3143


Credits
Dataset developed by Maine CDC Drinking Water Program, with logistical and financial support from US EPA and MEGIS.
ArcGIS item properties
*Name GISVIEW.MEDWP.DirectWatershed
*Size 0.789
*Location Server=sql-gisview-prod.som.w2k.state.me.us; Service=sde:sqlserver:sql-gisview-prod.som.w2k.state.me.us,1633; Database=GISVIEW; User=MEDWP; Version=dbo.DEFAULT
*Access protocol ArcSDE Connection

Extents 

Extent
Geographic extent
Bounding rectangle
Extent type  Extent used for searching
*West longitude -71.032631
*East longitude -66.995975
*North latitude 47.371739
*South latitude 43.159880
*Extent contains the resource Yes

Extent in the item's coordinate system
*West longitude 346493.438100
*East longitude 651344.814400
*South latitude 4780300.046500
*North latitude 5246475.466300
*Extent contains the resource Yes

Resource Constraints 

Constraints
Limitations of use
Detailed design decisions may require additional locational data. Field verification of location, ownership, and other attributes is strongly recommended. Users must assume responsibility in determining the usability of this data for their purposes. Digital maps retain the accuracy of their source materials. The best use of data mapped at scales of 1:500,000 and 1:250,000 is in statewide planning and studies; at 1:100,000 in regional planning and studies; at 1:62,500 and 1:24,000 in detailed studies and local planning; and at 1:12,000 and 1:5,000 or larger scales in parcel level studies and detailed local planning. In the use of Maine GIS data, please check sources, scale, accuracy, currentness and other available information. Please confirm that you are using the most recent copy of both data and metadata from the Maine GIS Data Catalog. The Maine Office of Geographic Information Systems (MEGIS) provides notice of updates and corrections directly to the Maine GIS Technical Group and to Maine GIS Users, through the MEGISTECH and MEGISUSER list servers. To subscribe please contact the MEGIS technical support line at (207) 624-7700. To request correction of, or provide updates to, Maine GIS data a feedback form is available athttp://www.maine.gov/megis/, or you may contact MEGIS directly. MEGIS is not responsible for local edits to data or metadata. Updates, corrections, and feedback, incorporated in the Maine GIS database are made in accordance with "Data Standards for Maine Geographic Information Systems", 2002, and coordinated by MEGIS in consultation with the Maine GIS Executive Council. 

Spatial Reference 

ArcGIS coordinate system
*Type Projected
*Geographic coordinate reference GCS_North_American_1983
*Projection NAD_1983_UTM_Zone_19N
*Coordinate reference details
Projected coordinate system
Well-known identifier 26919
X origin -5120900
Y origin -9998100
XY scale 10000
Z origin 0
Z scale 1
M origin 0
M scale 1
XY tolerance 0.001
Z tolerance 0.001
M tolerance 0.001
High precision true
Latest well-known identifier 26919
Well-known text PROJCS["NAD_1983_UTM_Zone_19N",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["Transverse_Mercator"],PARAMETER["False_Easting",500000.0],PARAMETER["False_Northing",0.0],PARAMETER["Central_Meridian",-69.0],PARAMETER["Scale_Factor",0.9996],PARAMETER["Latitude_Of_Origin",0.0],UNIT["Meter",1.0],AUTHORITY["EPSG",26919]]

Reference system identifier
Value 26919
*Codespace EPSG
*Version 7.11.2


Spatial Data Properties 

Vector
*Level of topology for this dataset  geometry only


Geometric objects
Feature class name GISVIEW.MEDWP.DirectWatershed
*Object type  composite
*Object count 59



ArcGIS Feature Class Properties
Feature class name GISVIEW.MEDWP.DirectWatershed
*Feature type Simple
*Geometry type Polygon
*Has topology FALSE
*Feature count 59
*Spatial index TRUE
*Linear referencing FALSE



Geoprocessing history 

Process
Process name
Date 2011-06-13 06:58:56
Tool location C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Data Management Tools.tbx\UnregisterAsVersioned
Command issued
UnregisterAsVersioned "Database Connections\moeprodr2.medwp.sde\MEDWP.DirectWatershed" KEEP_EDIT NO_COMPRESS_DEFAULT "Database Connections\moeprodr2.medwp.sde\MEDWP.DirectWatershed"
Include in lineage when exporting metadata No


Process
Date 2012-01-13 10:24:24
Tool location C:\Program Files\ArcGIS\ArcToolbox\Toolboxes\Conversion Tools.tbx\FeatureClassToFeatureClass
Command issued
FeatureClassToFeatureClass C:\temp\directwatershed1211.shp "Database Connections\GISVIEW.MEDWP.sde" DirectWatershed_NEW # "HUC 'HUC' true true false 8 Text 0 0 ,First,#,C:\temp\directwatershed1211.shp,HUC,-1,-1;S_NAME 'S_NAME' true true false 32 Text 0 0 ,First,#,C:\temp\directwatershed1211.shp,S_NAME,-1,-1;ACRES 'ACRES' true true false 19 Double 8 18 ,First,#,C:\temp\directwatershed1211.shp,ACRES,-1,-1;PWSID 'PWSID' true true false 10 Double 0 10 ,First,#,C:\temp\directwatershed1211.shp,PWSID,-1,-1;UNIQUEID 'UNIQUEID' true true false 254 Text 0 0 ,First,#,C:\temp\directwatershed1211.shp,UNIQUEID,-1,-1" # "Database Connections\GISVIEW.MEDWP.sde\GISVIEW.MEDWP.DirectWatershed_NEW"
Include in lineage when exporting metadata No


Distribution 

Distributor
Available format
*Name SDE Feature Class


Transfer options
Online source
*Location Server=sql-gisview-prod.som.w2k.state.me.us,1633; Service=sde:sqlserver:sql-gisview-prod.som.w2k.state.me.us,1633; Database=GISVIEW; User=MEDWP; Version=dbo.DEFAULT
*Access protocol ArcSDE Connection
*Description  Downloadable Data



Distribution format
*Name SDE Feature Class


Transfer options
*Transfer size 0.789


Fields 

Details for object GISVIEW.MEDWP.DirectWatershed 
*Type Feature Class
*Row count 59
Definition
polygon attribute table
Definition source
Environmental Systems Research Institute, Inc.  (ESRI)


Field UNIQUEID
 
*Alias UNIQUEID
*Data type String
*Width 254
*Precision 0
*Scale 0
Field description
PWSID expressed as a number
Description source
DWP
*Description of values Sequential unique whole numbers that are automatically generated.




Field OBJECTID
 
*Alias OBJECTID
*Data type OID
*Width 4
*Precision 10
*Scale 0
Field description
Internal feature number.
Description source
ESRI
Description of values Sequential unique whole numbers that are automatically generated.




Field ACRES
 
*Alias ACRES
*Data type Double
*Width 8
*Precision 19
*Scale 8
Field description
area of source in acres
Description source
Maine DWP
Description of values Sequential unique whole numbers that are automatically generated.




Field HUC
 
*Alias HUC
*Data type String
*Width 8
*Precision 0
*Scale 0
Field description
8 digit Hydrologic Unit Code
Description source
U.S. Geological Survey (USGS)
*Description of values Coordinates defining the features.




Field SHAPE
 
*Alias S_NAME
*Data type String
*Width 32
*Precision 0
*Scale 0
Field description
feature geometry (SDE format)
Description source
ArcSDE
*Description of values Sequential unique whole numbers that are automatically generated.




Field S_NAME
 
*Alias Shape
*Data type Geometry
*Width 4
*Precision 0
*Scale 0
Field description
name of the surface water body serving as a public water supply source
Description source
Maine DWP
*Description of values Coordinates defining the features.




Field Shape
 
*Alias PWSID
*Data type Double
*Width 8
*Precision 10
*Scale 0
Field description
Feature geometry.
Description source
ESRI
Description of values Coordinates defining the features.




Field Shape.len
 
*Alias Shape.area
*Data type Double
*Width 0
*Precision 0
*Scale 0




Field PWSID
 
*Alias Shape.len
*Data type Double
*Width 0
*Precision 0
*Scale 0
Field description
a concatenation of the PWS identification number with the source identification number
Description source
DWP
*Description of values Positive real numbers that are automatically generated.






Overview Description
Entity and Attribute Overview The Maine Drinking Water Program maintains extensive database of information on each surface water body that serves as a public water supply. DIRECTWATERSHED has been attributed to provide general reference information related to the unique identifier for each public water supply, USGS hydrologic unit code, surface water body name, and acreage with the items HUC, S_NAME, and ACRES. The PWSID and UNIQUEID fields provide links to DWP data in the TINGIS table located in the OGIS SDE database. TINGIS includes data on current use (activity) of the public water system associated with this source. Some watersheds are not in current use.




Metadata Details 

Metadata language English (UNITED STATES)
Metadata character set  8859part1 - Latin alphabet No. 1


Scope of the data described by the metadata  dataset
Scope name* dataset


*Last update 2013-11-12


ArcGIS metadata properties
Metadata format ArcGIS 1.0
Metadata style FGDC CSDGM Metadata
Standard or profile used to edit metadata FGDC


Created in ArcGIS for the item 2011-12-20 10:40:19
Last modified in ArcGIS for the item 2013-11-12 14:32:02


Automatic updates
Have been performed Yes
Last update 2013-11-12 14:32:02


Thumbnail and Enclosures 

FGDC Metadata (read-only) 

Identification 

Citation
Citation Information
OriginatorMaine Department of Human Services (MEDHS), Drinking Water Program (MEDWP)
Publication Date2011-12-30
Title
DirectWatershed
Geospatial Data Presentation Formvector digital data
Series Information
Series NameSource Water Protection Area (SWPA)
Issue IdentificationPublic Water Supply
Publication Information
Publication PlaceAugusta ME
PublisherMaine Department of Human Services, Drinking Water Program
Other Citation Details
24000
Online Linkagehttp://www.maine.gov/megis/catalog/

Description
Abstract
                            DIRECTWATERSHED depicts watershed areas of surface waters that are active sources of Maine public water supplies, depicted at 1:24000 scale. For river systems, the watershed is arbitrarily truncated .5 mile (0.8 kilometers) upstream of the intake. For lake systems, the direct watershed is truncated at the first order bifurcation of each tributary stream. Watershed delineations for some public water supply surface waters were based on new delineations verified by field work. Data, from the Maine GIS dataset MEDRDVD were used to represent watershed boundaries where these provided the best known representation. When available, the local knowledge of the water supplier was used to adjust the boundaries. Some watersheds are not in active use by public water systems, but are held in reserve for future growth or emergencies. TINGIS, an attribute table, can be joined to this dataset to determine active water supplies. 
                          
Purpose
                            DIRECTWATERSHED watersheds were extracted and modified from other watershed data to facilitate conduct of the source water assessment program. Its primary purpose is to assist in management of spatial  nformation about PWSs in compliance with the federal Safe Drinking Water Act as Amended 1996 and 22 MRSA Chapter 601 Detailed design decisions may require additional locational data. Field verification of location, ownership, and other attributes is strongly recommended
                          
Time Period of Content
Time Period Information
Single Date/Time
Calendar Date2011-12-30
Time of Dayunknown
Currentness Reference
                            ground condition
                          
Status
ProgressIn work
Maintenance and Update FrequencyAs needed

Spatial Domain
Bounding Coordinates
West Bounding Coordinate-70.8882
East Bounding Coordinate-67.00473
North Bounding Coordinate47.35437
South Bounding Coordinate43.15988

Keywords
Theme
Theme Keyword ThesaurusMaine GIS Thesaurus-Theme
Theme Keywordhealth
Theme Keywordpublic water supply
Theme Keywordwatersheds
Theme KeywordHEALTH AND SAFETY

Theme
Theme Keyword ThesaurusISO 19115 Topic Category
Theme KeywordinlandWaters
Theme Keywordhealth

Place
Place Keyword ThesaurusMaine GIS Thesaurus-Place
Place KeywordMaine

Stratum
Stratum Keyword ThesaurusMaine GIS Thesaurus-Stratum
Stratum Keywordhuman dimensions
Stratum Keywordhydrosphere

Access Constraints
                        These data are freely available for use; however, the data set should not be redistributed without permission. Any secondary distribution must have this documentation appended.
                      
Use Constraints
                        Detailed design decisions may require additional locational data. Field verification of location, ownership, and other attributes is strongly recommended. Users must assume responsibility in determining the usability of this data for their purposes. Digital maps retain the accuracy of their source materials. The best use of data mapped at scales of 1:500,000 and 1:250,000 is in statewide planning and studies; at 1:100,000 in regional planning and studies; at 1:62,500 and 1:24,000 in detailed studies and local planning; and at 1:12,000 and 1:5,000 or larger scales in parcel level studies and detailed local planning. In the use of Maine GIS data, please check sources, scale, accuracy, currentness and other available information. Please confirm that you are using the most recent copy of both data and metadata from the Maine GIS Data Catalog.
                      
Point of Contact
Contact Information
Contact Organization Primary
Contact Organization(MEDWP) Maine Department of Human Services, Drinking Water Program
Contact PersonAndrews Tolman
Contact PositionManager Source Water Protection
Contact Address
Address Typemailing address
AddressState House Station 11
CityAugusta
State or ProvinceME
Postal Code04333-0011
CountryUNITED STATES

Contact Voice Telephone(207) 287-6196

Data Set Credit
                        Dataset developed by Maine CDC Drinking Water Program, with logistical and financial support from US EPA and MEGIS.
                      
Native Data Set Environment
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcCatalog 9.3.1.4000
Cross Reference
Citation Information
OriginatorMaine Department of Human Services (MEDHS), Drinking Water Program (MEDWP)
Publication Date2002-10
Publication TimeUnknown
Title
wells
Geospatial Data Presentation Formvector digital data
Series Information
Series NameMaine GIS Data Catalog; Maine GIS SDE Server
Issue IdentificationSource Water Protection Area (SWPA) Public Water Supply
Publication Information
Publication PlaceAugusta ME
PublisherMaine Office of Geographic Information Systems (MEGIS)
Other Citation Details
24000 WELLS contains point locations for Maine's over 2500 wells and springs serving public water supplies.
Online Linkagehttp://megis.maine.gov/catalog/

Cross Reference
Citation Information
OriginatorMaine Department of Human Services (MEDHS), Drinking Water Program (MEDWP)
Publication Date2002-10
Title
wellsbuf
Geospatial Data Presentation Formvector digital data
Series Information
Series NameMaine GIS Data Catalog; Maine GIS SDE Server
Issue IdentificationSource Water Protection Area (SWPA) Public Water Supply
Publication Information
Publication PlaceAugusta ME
PublisherMaine Office of Geographic Information Systems (MEGIS)
Other Citation Details
24000 Circular buffers for wells ranging from 300 to 2,500 feet in radius, based on the population served by the system. 1000 foot buffers for surface water intakes. These buffers are used for systems where there is no model developed. In coverage format REGIONS must be used to preserve the spatial and attribute relationships between wells, intakes and buffers where features overlap.
Online Linkagehttp://megis.maine.gov/catalog/


Data Quality 

Attribute Accuracy
Attribute Accuracy Report
                            Attribute data are extracted from the State Drinking Water Information System (SIDWIS).  Although this information is updated and checked for quality purposes on a regular basis, there are errors in the data.  Supplies may also be used seasonally, and may not be active.  Supplies may go off-line, or be abandoned and the DWP may not be informed of their change in status.
                          
Quantitative Attribute Accuracy Assessment
Attribute Accuracy Valuegood
Attribute Accuracy Explanation
                                Most attribute data is correct, but there are some data entry errors, and some information is based on owner's recollection, or may not be current.
                              
Logical Consistency Report
                        Spatial topology meets "Data Standards for Maine Geographic Information Systems", June 2002.
                      
Completeness Report
                        The data set is complete.
                      
Positional Accuracy
Horizontal Positional Accuracy
Horizontal Positional Accuracy Report
                                Approximate horizontal accuracy is 12 meters, assuming source data meets National Map Accuracy Standards.
                              
Lineage
Source Information
Source Citation
Citation Information
OriginatorMaine Department of Human Services (MEDHS), Drinking Water Program (MEDWP)
Publication Dateunpublished material
Publication TimeUnknown
Title
(MEDWPGPS) Maine Drinking Water Program GPS, 1991-2003
Geospatial Data Presentation Formtabular digital data
Other Citation Details
Locations in 1996-2003 were collected using Trimble Geoexplorer Global Positioning System (GPS) receivers. Locations in 1991 and 1995 were collected using Trimble Pathfinder GPS Receivers. GPS is a satellite-based positioning system operated and maintained by the U.S. Department of Defense. It consists of 24 NAVSTAR satellites that orbit the earth every twelve hours at an altitude of approximately 12,600 miles, as well as ground-based monitor and upload stations, which track and monitor the satellite orbits, and a master control station. GPS receivers use the signals sent by the satellites to determine where the satellites are and then use this information to calculate the user's position on the earth. Accuracy can range from 1 cm to over 100 meters depending on the number of satellites in view, the position of satellites in relation to each other, the strengths of the satellite signals and the distance of the base station from the GPS receiver. Geoexplorers typically provide accuracy ranges of 2 to 5 meters. Locations have been mapped using the North American Datum 27 (NAD27) later converted to NAD83 in Universal Transverse Mercator (UTM) coordinate system.

Source Scale Denominator24000
Type of Source Mediacomputer program
Source Time Period of Content
Time Period Information
Range of Dates/Times
Beginning Date1991
Beginning Timeunknown
Ending Date2003
Ending Timeunknown
Source Currentness Reference
ground condition
Source Citation Abbreviation
MEDWPGPS
Source Information
Source Citation
Citation Information
OriginatorMaine Office of Geographic Information Systems (MEGIS)
Publication Date1994-01-01
Publication TimeUnknown
Title
medrdvd
Geospatial Data Presentation Formvector digital data
Series Information
Series NameMaine GIS Data Catalog; Maine GIS SDE Server
Publication Information
Publication PlaceAugusta ME
PublisherMaine Office of Geographic Information Systems
Other Citation Details
24000
Online Linkagehttp://megis.maine.gov/catalog/

Source Scale Denominator24000
Type of Source Mediaonline
Source Time Period of Content
Time Period Information
Range of Dates/Times
Beginning Date1948-01-01
Beginning TimeUnknown
Ending Date1990-12-31
Ending TimeUnknown
Source Currentness Reference
source dates
Source Citation Abbreviation
medrdvd
Source Information
Source Citation
Citation Information
OriginatorU.S. Geological Survey (USGS), Maine Office of Geographic Information Systems (MEGIS) (comp., ed.)
Publication Date1997-01-01
Publication TimeUnknown
Title
rivers
Geospatial Data Presentation Formvector digital data
Series Information
Series NameMaine GIS Data Catalog; Maine GIS SDE Server
Publication Information
Publication PlaceAugusta ME
PublisherMaine Office of Geographic Information Systems (MEGIS)
Other Citation Details
24000
Online Linkagehttp://megis.maine.gov/catalog/

Source Scale Denominator24000
Type of Source Mediaonline
Source Time Period of Content
Time Period Information
Range of Dates/Times
Beginning Date1948-01-01
Beginning TimeUnknown
Ending Date1999-12-31
Ending TimeUnknown
Source Currentness Reference
source dates
Source Citation Abbreviation
rivers
Source Information
Source Citation
Citation Information
OriginatorU.S. Geological Survey (USGS), Maine Office of Geographic Information Systems (MEGIS) (comp., ed.)
Publication Date1997-01-01
Publication TimeUnknown
Title
ponds
Geospatial Data Presentation Formvector digital data
Series Information
Series NameMaine GIS Data Catalog; Maine GIS SDE Server
Publication Information
Publication PlaceAugusta ME
PublisherMaine Office of Geographic Information Systems (MEGIS)
Other Citation Details
24000
Online Linkagehttp://megis.maine.gov/catalog/

Source Scale Denominator24000
Type of Source Mediaonline
Source Time Period of Content
Time Period Information
Range of Dates/Times
Beginning Date1948-01-01
Beginning TimeUnknown
Ending Date1999-12-31
Ending TimeUnknown
Source Currentness Reference
source dates
Source Citation Abbreviation
ponds
Source Information
Source Citation
Citation Information
OriginatorU.S. Geological Survey (USGS), Maine Office of Geographic Information Systems (MEGIS) (comp., ed.)
Publication Date1997-01-01
Publication TimeUnknown
Title
streams
Geospatial Data Presentation Formvector digital data
Series Information
Series NameMaine GIS Data Catalog; Maine GIS SDE Server
Publication Information
Publication PlaceAugusta ME
PublisherMaine Office of Geographic Information Systems (MEGIS)
Other Citation Details
24000
Online Linkagehttp://megis.maine.gov/catalog/

Source Scale Denominator24000
Type of Source Mediaonline
Source Time Period of Content
Time Period Information
Range of Dates/Times
Beginning Date1948-01-01
Beginning TimeUnknown
Ending Date1999-12-31
Ending TimeUnknown
Source Currentness Reference
source dates
Source Citation Abbreviation
streams
Process Step
Process Description
                                In DIRECTWATERSHED some watersheds for Maine public water supplies are based on new delineations and verified by field work. For others, data from the Maine GIS dataset MEDRDVD were used to represent watershed boundaries where these provided the best known representation. When available, the local knowledge of the water supplier was used to adjust the boundaries. For river systems, the watershed is arbitrarily truncated .5 mile (0.8 kilometers) upstream of the intake.  For lake systems, the direct watershed is truncated at the first order bifurcation of each tributary stream. Data was originally processed in ArcView in UTM NAD27, and then re-projected to NAD83.

                              
Source Used Citation Abbreviation
MEDWPGPS
Source Used Citation Abbreviation
medrdvd
Source Used Citation Abbreviation
rivers
Source Used Citation Abbreviation
ponds
Source Used Citation Abbreviation
streams
Process Date2003-06


Process Contact
Contact Information
Contact Organization Primary
Contact Organization(MEDWP) Maine Department of Human Services, Drinking Water Program
Contact PersonAndrews Tolman
Contact PositionManager Source Water Protection
Contact Address
Address Typemailing address
AddressState House Station 11
CityAugusta
State or ProvinceME
Postal Code04333-0010
CountryUNITED STATES

Contact Voice Telephone(207) 287-6196

Process Step
Process Description
                                In June, 2008, the dataset was edited to remove watersheds no longer utilized for public supply and to remove relict fields from the parent attribute table. Linking fields PWSID and UNIQUEID were added.
                              
Process Date2008-06


Process Contact
Contact Information
Contact Person Primary
Contact PersonAndrews L. Tolman
Contact OrganizationMaine CDC DWP
Contact PositionAssistant Director
Contact Voice Telephone207-287-6196
Contact Electronic Mail Addressandrews.l.tolman@maine.gov

Cloud Cover0


Spatial Reference 

Horizontal Coordinate System Definition
Planar
Planar Coordinate Information
Planar Coordinate Encoding MethodCoordinate Pair
Coordinate Representation
Abscissa Resolution0.001024
Ordinate Resolution0.001024
Planar Distance Unitsm

Geodetic Model
Horizontal Datum NameNorth American Datum of 1983
Ellipsoid NameGeodetic Reference System 80
Semi-major Axis6378137
Denominator of Flattening Ratio298.257

Vertical Coordinate System Definition
Altitude System Definition
Altitude Resolution1.000000
Altitude Encoding MethodExplicit elevation coordinate included with horizontal coordinates

Entities and Attributes 

Detailed Description
Entity Type
Entity Type LabelDIRECTWATERSHED.PAT
Entity Type Definition
polygon attribute table
Entity Type Definition SourceEnvironmental Systems Research Institute, Inc. (ESRI)

Attribute
Attribute LabelUNIQUEID
Attribute Definition
PWSID expressed as a number
Attribute Definition SourceDWP
Attribute Domain Values
Unrepresentable Domain
Sequential unique whole numbers that are automatically generated.

Attribute
Attribute LabelOBJECTID
Attribute Definition
Internal feature number.
Attribute Definition SourceESRI
Attribute Domain Values
Unrepresentable Domain
Sequential unique whole numbers that are automatically generated.

Attribute
Attribute LabelACRES
Attribute Definition
area of source in acres
Attribute Definition SourceMaine DWP
Attribute Domain Values
Unrepresentable Domain
Sequential unique whole numbers that are automatically generated.

Attribute
Attribute LabelHUC
Attribute Definition
8 digit Hydrologic Unit Code
Attribute Definition SourceU.S. Geological Survey (USGS)
Attribute Domain Values
Unrepresentable Domain
Coordinates defining the features.

Attribute
Attribute LabelSHAPE
Attribute Definition
feature geometry (SDE format)
Attribute Definition SourceArcSDE
Attribute Domain Values
Unrepresentable Domain
Sequential unique whole numbers that are automatically generated.

Attribute
Attribute LabelS_NAME
Attribute Definition
name of the surface water body serving as a public water supply source
Attribute Definition SourceMaine DWP
Attribute Domain Values
Unrepresentable Domain
Coordinates defining the features.

Attribute
Attribute LabelShape
Attribute Definition
Feature geometry.
Attribute Definition SourceESRI
Attribute Domain Values
Unrepresentable Domain
Coordinates defining the features.

Attribute
Attribute LabelShape.len

Attribute
Attribute LabelPWSID
Attribute Definition
a concatenation of the PWS identification number with the source identification number
Attribute Definition SourceDWP
Attribute Domain Values
Unrepresentable Domain
Positive real numbers that are automatically generated.

Overview Description
Entity and Attribute Overview
                            The Maine Drinking Water Program maintains extensive database of information on each surface water body that serves as a public water supply. DIRECTWATERSHED has been attributed to provide general reference information related to the unique identifier for each public water supply, USGS hydrologic unit code, surface water body name, and acreage with the items HUC, S_NAME, and ACRES. The PWSID and UNIQUEID fields provide links to DWP data in the TINGIS table located in the OGIS SDE database. TINGIS includes data on current use (activity) of the public water system associated with this source. Some watersheds are not in current use. 
                          

Distribution Information 

Distributor
Contact Information
Contact Organization Primary
Contact Organization(MEGIS) Maine Office of Geographic Information Systems
Contact Address
Address Typemailing address
AddressState House Station 174
CityAugusta
State or ProvinceME
Postal Code04333
CountryUNITED STATES

Contact Voice Telephone(207) 624-7700
Contact Facsimile Telephone207-287-3842
Hours of ServiceMonday through Friday 0800 - 1700 EST

Resource DescriptionDownloadable Data
Distribution Liability
                        Users must assume responsibility to determine the usability of this data for their purposes. Although these data have been processed successfully on a computer system at the Maine Office of Geographic Information Systems, no warranty expressed or implied is made by MEGIS regarding the utility of the data on any other system, nor shall the act of distribution constitute any such warranty. Neither the Maine Office of Geographic Information Systems, nor any of its contributors, are liable for misuse of the data, for damage, for transmission of viruses, or for computer contamination through the distribution of these data sets.
                      
Standard Order Process
Digital Form
Digital Transfer Information
Format NameESRI Shapefile
Format Version NumberARC Version 9.x
Format Specification
ArcView Shapefile Format

Digital Form
Digital Transfer Information
Format NameARCSDE
Format Version NumberArcSDE 9.x

Digital Transfer Option
Online Option
Access Instructions
                                        Please contact the Maine Office of GIS (MEGIS) for access instructions.
                                      
Online Computer and Operating System
Access is available through Maine's wide area network; WAN users may contact the Maine Office of Information Technology, Maine Office of Geographic Information Systems (MEGIS) for a login


FeesData may be downloaded from Maine GIS Data Catalog at no charge.
TurnaroundData is available for immediate download from the Maine GIS Data Catalog.


Metadata Reference 

Metadata Date2002-03-18
Metadata Review Date2011-12-30
Metadata Contact
Contact Information
Contact Organization Primary
Contact Organization(MEDWP) Maine Department of Human Services, Drinking Water Program
Contact PersonAndrews Tolman
Contact PositionManager Source Water Protection
Contact Address
Address Typemailing address
AddressState House Station 11
CityAugusta
State or ProvinceME
Postal Code04333-0010
CountryUNITED STATES

Contact Voice Telephone(207) 287-6196

Metadata Standard NameFGDC Content Standards for Digital Geospatial Metadata
Metadata Standard VersionFGDC-STD-001-1998
Metadata Time Conventionlocal time


Metadata Access Constraintsnone
Metadata Use Constraints
Please confirm that you are using the most recent copy of both data and metadata from the Maine GIS Data Catalog.