1

IDENTIFICATION INFORMATION
1.1

Citation
Originator
Metro Data Resource Center
Publication date
20110121
Title
UGB history
1.2

Description
Abstract
This file contains the history of the current urban growth boundary for the Portland Metro region. Areas that were added to the UGB are attributed with the year they were added. The data only contains additions for the current UGB; areas that were added to the UGB, and then subsequently removed, are not part of this data.
Purpose
This data provides a complete history of the expansion of the UGB.
Supplemental information
none.
1.3Time period of content
20130129
1.4

Status
Progress
Complete
Maintenance/update frequency
Quarterly
1.5

Spatial domain
Description
Urban Clackamas County, Multnomah County, and Washington County, Oregon
West bounding coordinate
-123.15156069
East bounding coordinate
-122.31651100
North bounding coordinate
45.70263875
South bounding coordinate
45.23396470
1.6

Keywords
Theme keyword thesaurus
None
Theme keyword
Place keyword thesaurus
None
Place keyword
Portland, Multnomah County, Washington County, Clackamas County, Oregon
1.7Access Constraints
None
1.8Use Constraints
For product terms and conditions, please see http://www.oregonmetro.gov/index.cfm/go/by.web/id=505
1.10

Browse graphic
Browse graphic file name
ugb_history
Browse graphic file description
History of the UGB
Browse graphic file type
PNG
1.13Native data set environment
Filename: ugb_history.shp
Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 2; ESRI ArcCatalog 9.0.0.535
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2

DATA QUALITY INFORMATION
2.4Horizontal positional accuracy
2.5

Lineage
Process Description
Entire UGB history released as part of RLIS-Lite to replace the 2002, 2004, and 2005 UGB expansion files.
Process date
20110127
Process Description
Updated to add 2012 UGB expansions per Ordinance 11-1264B.
Process date
20120124
Process Description
UGB was extensively updated to reflect most recent tax lot lines.
Process date
20130129
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3

SPATIAL DATA ORGANIZATION INFORMATION
3.2Direct spatial reference method
Vector
3.3

Point and vector object information
SDTS point and vector object type
Polygon
Point and vector object count
171
3.4

Raster object information
Raster object type
NA
Row count
Column count
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4

SPATIAL REFERENCE INFORMATION
4.1

Horizontal Coordinate System
Grid coordinate system name
NAD_1983_HARN_StatePlane_Oregon_North_FIPS_3601
SPCS zone identifier
5076
Planar distance units
International feet
Horizontal datum name
D_North_American_1983_HARN
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5

ENTITY AND ATTRIBUTE INFORMATION
5.2Overview description
Related data files and field descriptions follow:
Table NameColumnSample Domain ValueDefinition
ugb_history.dbf----Attributes of the UGB history file
YEAR --The year an area was added to the UGB.
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6

DISTRIBUTION INFORMATION
6.1

Distributor
Contact organization
Metro Data Resource Center
Address
600 NE Grand Ave.
City
Portland
State or province
OR
Postal code
97232
Contact voice telephone
503 797-1742
Contact facsimile telephone
503 797-1909
Contact electronic mail address
drc@oregonmetro.gov
6.3Distribution liability
The information in this file was derived from digital databases on Metro's GIS. Care was taken in the creation of this file. Metro cannot accept any responsibility for errors, omissions, or positional accuracy. There are no warranties, expressed or implied.
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7

METADATA REFERENCE INFORMATION
7.1Metadata Date
20130129
7.4

Metadata contact
Contact person
Joanna Mensher
Contact voice telephone
503-797-1587
Contact facsimilie telephone
503 797-1909
Contact electronic mail address
joanna.mensher@oregonmetro.gov
7.5Metadata standard name
FGDC Content Standards for Digital Geospatial Metadata
7.6Metadata standard version
19940608
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