Abstract: Base Waterbody Polygon Update is the Alberta Environment and Protected Areas base hydrography polygon dataset, it is an updated of the Base Features Hydro Polygons in Southern Alberta from orthophoto and various sources of provincial base data.
Metadata:
File identifier:
91D6EAC8-E03D-49C1-BED1-9BF962F7EB71
Language:
Language Code:
eng
Character set:
Character set code:
utf8
Hierarchy level:
Scope code:
dataset
Metadata author:
Responsible party:
Organisation name:
Alberta Environment and Protected Areas, Government of Alberta
Position name:
Provincial Geospatial Centre
Contact info:
Contact:
Address:
Address:
Delivery point:
14th Floor, Oxbridge Place
Delivery point:
9820 - 106 Street NW
City:
Edmonton
Administrative area:
Alberta
Postal code:
T5K 2J6
Country:
Country:
CA
Electronic mail address:
PGC.Metadata@gov.ab.ca
Hours of service:
08:15 to 16:30 Monday to Friday
Role:
Role code:
publisher
Date stamp:
2025-09-25
Metadata standard name:
NAP - Metadata
Metadata standard version:
1.2
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Vector spatial representation:
Geometric objects:
Geometric objects:
Geometric object type:
missing
Geometric object count:
138363
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Reference system:
Reference system identifier:
RS Identifier:
Code:
3400
Code Space:
EPSG
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Data identification:
Citation:
Citation:
Title:
Base Waterbody Polygon Update
Date:
Date:
Date:
2019-06-01
Date type:
Date type code:
creation
Date:
Date:
Date:
2025-09-25
Date type:
Date type code:
publication
Date:
Date:
Date:
2025-09-25
Date type:
Date type code:
revision
Cited responsible party:
Responsible party:
Organisation name:
Alberta Environment and Protected Areas, Government of Alberta
Position name:
Provincial Geospatial Centre
Contact info:
Contact:
Address:
Address:
Delivery point:
14th Floor, Oxbridge Place
Delivery point:
9820 - 106 Street NW
City:
Edmonton
Administrative area:
Alberta
Postal code:
T5K 2J6
Country:
Country:
CA
Electronic mail address:
PGC.Metadata@gov.ab.ca
Hours of service:
08:15 to 16:30 Monday to Friday
Role:
Role code:
originator
Collective title:
Base Hydrography Update
Abstract:
Base Waterbody Polygon Update is the Alberta Environment and Protected Areas base hydrography polygon dataset,
it is an updated of the Base Features Hydro Polygons in Southern Alberta from orthophoto and various sources
of provincial base data.
Purpose:
Provides users with an update of hydrography polygon base data layer to support business applications and
decision making related to water bodies and major water courses in Alberta.
Status:
Progress code:
completed
Point of contact:
Responsible party:
Organisation name:
Alberta Environment and Protected Areas, Government of Alberta
Position name:
Provincial Geospatial Centre
Contact info:
Contact:
Address:
Address:
Delivery point:
9820 - 106 Street NW
Delivery point:
14th Floor, Oxbridge Place
City:
Edmonton
Administrative area:
Alberta
Postal code:
T5K 2J6
Country:
Country:
CA
Electronic mail address:
PGC.Metadata@gov.ab.ca
Hours of service:
08:15 to 16:30 Monday to Friday
Role:
Role code:
pointOfContact
Resource maintenance:
Maintenance information:
Maintenance and update frequency:
Maintenance frequency code:
asNeeded
Descriptive keywords:
Keywords:
Keyword:
Alberta, Canada
Type:
Keyword type code:
place
Descriptive keywords:
Keywords:
Keyword:
Lake
Keyword:
Oxbow
Keyword:
River
Keyword:
Hydrography polygon
Keyword:
Reservoir
Keyword:
Major River
Keyword:
Major Canal
Keyword:
Hydro
Type:
Keyword type code:
theme
Resource constraints:
Legal constraints:
Access constraints:
Restriction code:
otherRestrictions
Other constraints:
To access the data you must agree to the terms of the Open Government Licence - Alberta found at
https://open.alberta.ca/licence
Resource constraints:
Legal constraints:
Use constraints:
Restriction code:
license
Other constraints:
Your use of this information will be governed by the terms of the Open Government Licence - Alberta, in
force as of the date you accessed the information, found at https://open.alberta.ca/licence
Resource constraints:
Legal constraints:
Use limitation:
Distribution Liability: Under the terms of the Open Government Licence - Alberta, the Information is
licensed as is, and the Information Provider excludes all representations, warranties, obligations, and
liabilities, whether express or implied, to the maximum extent permitted by law. The Information
Provider is not liable for any errors or omissions in the Information, and will not under any
circumstances be liable for any direct, indirect, special, incidental, consequential, or other loss,
injury or damage caused by its use or otherwise arising in connection with this licence or the
Information, even if specifically advised of the possibility of such loss, injury or damage.
Resource constraints:
Security constraints:
Classification:
Classification code:
unclassified
User note:
Public
Classification system:
Government of Alberta Data and Information Security Classification
Handling description:
https://imtpolicy.sp.alberta.ca/standards/Pages/Data-and-Information-Security-Classification.aspx
Spatial representation type:
Spatial representation type code:
vector
Language:
Language Code:
eng
Character set:
Character set code:
utf8
Topic category:
Topic category code:
inlandWaters
Extent:
Extent:
Temporal element:
Temporal extent:
Extent:
Time period:
Begin date:
2019-06-01T00:00:00
End date:
2025-09-25T00:00:00
Extent:
Extent:
Geographic element:
Geographic bounding box:
West bound longitude:
-115.09
East bound longitude:
-110.01
South bound latitude:
49
North bound latitude:
52.82
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Distribution:
Distribution format:
Format:
Name:
File Geodatabase
Version:
3.0
Specification:
FGDB
File decompression technique:
ZIP
Distribution format:
Format:
Name:
Shapefile
Version:
3.0
Specification:
SHP
File decompression technique:
ZIP
Distributor:
Distributor:
Distributor contact:
Responsible party:
Organisation name:
Altalis Ltd.
Contact info:
Contact:
Phone:
Telephone:
Voice:
4037163490
Facsimile:
4037163494
Address:
Address:
Delivery point:
Suite 1550, 635 - 8 Avenue SW
City:
Calgary
Administrative area:
Alberta
Postal code:
T2P 3M3
Country:
Country:
CA
Electronic mail address:
support@altalis.com
Hours of service:
08:00 to 16:30 Monday to Friday
Role:
Role code:
distributor
Distribution Order Process:
Standard order process:
Fees:
This layer is included in the Base Features product for free under the Open Government Licence -
Alberta.
Ordering instructions:
The layer is a part of the Base Features product which can be accessed and downloaded via the Open
Data option of the Altalis homepage, https://www.altalis.com
Turnaround:
Direct download
Distributor:
Distributor:
Distributor contact:
Responsible party:
Organisation name:
Alberta Environment and Protected Areas, Government of Alberta
Position name:
Provincial Geospatial Centre
Contact info:
Contact:
Address:
Address:
Delivery point:
14th Floor, Oxbridge Place
Delivery point:
9820 - 106 Street NW
City:
Edmonton
Administrative area:
Alberta
Postal code:
T5K 2J6
Country:
Country:
CA
Electronic mail address:
PGC.Data@gov.ab.ca
Hours of service:
08:15 to 16:30 Monday to Friday
Contact instructions:
This is the point of contact for the map service. If there are issue with the map service or if
you have questions please contact the above email.
Role:
Role code:
distributor
Transfer options:
Digital transfer options:
Online:
Online Resource:
Linkage:
URL:
https://geospatial.alberta.ca/titan/rest/services/environment/inland_base_hydrography_update_10tm_nad83_aep/MapServer
Protocol:
REST
Name:
environment/inland_base_hydrography_update_10tm_nad83_aep (MapServer)
Description:
Map service containing the layers under Base Hydrography
Function:
Online function code:
webService
Transfer options:
Digital transfer options:
Units of distribution:
MB
Transfer size:
40
Online:
Online Resource:
Linkage:
URL:
https://extranet.gov.ab.ca/srd/geodiscover/srd_pub/inlandWaters/Watersheds/BaseHydrographyUpdate.zip
Protocol:
FTP
Name:
Base Hydrography Update (FGDB)
Description:
File Geodatabase containing Base Hydrography Update dataset (ZIP)
Function:
Online function code:
download
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Data quality:
Scope:
Scope:
Hierarchy level:
Scope code:
dataset
Report:
Domain consistency:
Evaluation method description:
Base Features hydrography polygons are classified according to valid hydrography feature types, and each
feature type contains attributes with valid value domains for feature type, feature code, and name.
Result:
missing
Report:
Conceptual consistency:
Measure description:
Base Features hydrography polygons are classified according to valid hydrography feature types, and each
feature type contains attributes with valid value domains for feature type, feature code, and name.
Result:
missing
Report:
Completeness omission:
Measure description:
Feature typing and attribution is complete for all hydrography polygons in Alberta.
Result:
missing
Report:
Quantitative attribute accuracy:
Measure description:
At the time of capture of source, audit processes were enabled that assured the accuracy of attributes as
defined by the Base Features Hydrography Data Specifications.
Result:
missing
Report:
Absolute external positional accuracy:
Measure description:
The update scale for Base Hydrography update shall be no less than 1:2,000-1:3,000. Based on the use of
digital colour imagery with 0.5 metre resolution.
Evaluation method description:
Feature capture or update shall achieve a positional accuracy of 5 metres (90% CI)
Result:
Quantitative result:
Value unit:
missing
Value:
5 metres
Lineage:
Lineage:
Statement:
Base Features hydrography polygons are classified according to valid hydrography feature types, and each
feature type contains attributes with valid value domains for feature type, feature code, and name.
Feature typing and attribution is complete for all hydrography polygons in Alberta.
Process step:
Process step:
Description:
Base Hydrography Update: this process creates the Single Line Network, HydroPolygons and HydroPoints.
The update is based on existing Base Features Hydrography data, currently available orthophotos,
currently available SPOT imagery and supplementary data such as Wet Areas Mapping and LiDAR. Proper
naming of features in the Single Line Network, Hydropolygons and Hydropoints occur. Single line
representation of the hydropolygons is added to the Single Line Network coverage as well.
Date and time:
2019-05-27T00:00:00
Processor:
Responsible party:
Organisation name:
Alberta Environment and Parks, Government of Alberta
Position name:
Provincial Geospatial Centre
Contact info:
Contact:
Phone:
Telephone:
Facsimile:
7804220712
Address:
Address:
Delivery point:
9820 - 106 Street NW
Delivery point:
14th Floor Oxbridge Place
City:
Edmonton
Administrative area:
Alberta
Postal code:
T5K 2J6
Country:
Country:
CA
Electronic mail address:
AEP.GDAMetadata@gov.ab.ca
Hours of service:
08:15 to 16:30 Monday to Friday
Contact instructions:
This is the point of contact regarding this process step in the creation of the data set.
Queries about this process step submitted through facsimile or electronic mail must include
the salutation "Attention: Provincial Geospatial Centre; Dataset: Base Waterbody Polygon
Update". For Distribution Information contact instructions, refer to the Distribution
Information section of this metadata record. For Metadata Information contact instructions,
refer to the Metadata Reference Information section of this metadata record.
Role:
Role code:
processor
Source:
Source:
Description:
The majority of features in the Base Waterbody Polygon Update data sets are compiled from digitizing
orthophoto.
Scale:
Representative fraction:
Denominator:
20000
Source citation:
Citation:
Title:
Alberta Sustainable Resource Development ISFF map files
Date:
missing
Cited responsible party:
Responsible party:
Organisation name:
Alberta Environment and Parks, Government of Alberta
Contact info:
Contact:
Address:
Address:
Delivery point:
Edmonton, Alberta
Role:
Role code:
publisher
Cited responsible party:
Responsible party:
Organisation name:
Alberta Environment and Parks, Government of Alberta
Contact info:
missing
Role:
Role code:
originator
Presentation form:
Presentation form code:
mapDigital
Source extent:
Extent:
Description:
ground condition
Temporal element:
Temporal extent:
Extent:
Time period:
Begin date:
2015-01-01
End date:
2022-01-01
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Maintenance information:
Maintenance and update frequency:
Maintenance frequency code:
asNeeded
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