DRASTIC Aquifer Intrinsic Vulnerability Reports Index

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Published by the Ministry of Environment and Climate Change Strategy - Water Protection and Sustainability
Licensed under Open Government Licence - British Columbia

Spatial dataset of DRASTIC Aquifer Intrinsic Vulnerability study areas in BC, and which also serves as an index containing links to the technical summary reports stored in the BC Government's Ecological Reports Catalogue (EcoCat).
For the DRASTIC Aquifer Intrinsic Vulnerability mapping data related to each report, please see https://catalogue.data.gov.bc.ca/dataset/drastic-aquifer-intrinsic-vulnerability

For more information (including an explanation of the DRASTIC method) please see "A Guide to the Use of Intrinsic Aquifer Vulnerability Mapping" at http://a100.gov.bc.ca/pub/acat/public/viewReport.do?reportId=23346

Data and Resources

Dataset Extent

Latitude: 48.0° to 60.0°
Longitude: -139.5° to -113.5°

Additional Information


Index indicating Intrinsic Aquifer Vulnerability Reports available in EcoCat.

More Information

Contact Information

NameMike Wei (pointOfContact)
OrganizationMinistry of Environment and Climate Change Strategy
Sub-OrganizationWater Protection and Sustainability

Access & Security

Who can view this dataset? Public
Who can download this dataset?Public

Metadata Information

Record Published 2011-03-09
Record Last Modified 2019-05-04
Resource Status onGoing

Object Description


Short Name: GWQFRVLNR1

Column Name Short Name Data Type Data Precision Comments
AQUIFER_VLNRBLTY_RPT_IDX_ID AV_RPT_ID NUMBER 10 The AQUIFER VLNRBLTY RPT IDX ID is a system generated number that uniquely identifies the area covered by the reports.
TECHNICAL_REPORT_URL TECH_URL VARCHAR2 150 The TECHNICAL REPORT URL contains a hyperlink to a report which includes information on how the map layer was generated.
FEATURE_CODE F_CODE VARCHAR2 10 FEATURE CODE contains a value based on the Canadian Council of Surveys and Mapping's (CCSM) system for classification of geographic features.
GEOMETRY GEOMETRY SDO_GEOMETRY 1 GEOMETRY is the column used to reference the spatial coordinates defining the feature.
OBJECTID OBJECTID NUMBER 38 OBJECTID is a required attribute of feature classes and object classes in a geodatabase.
SE_ANNO_CAD_DATA BLOB 4000 SE_ANNO_CAD_DATA is a binary column used by spatial tools to store annotation, curve features and CAD data when using the SDO_GEOMETRY storage data type.
FEATURE_AREA_SQM NUMBER 19 FEATURE_AREA_SQM is the system calculated area of a two-dimensional polygon in square meters
FEATURE_LENGTH_M NUMBER 19 FEATURE_LENGTH_M is the system calculated length or perimeter of a geometry in meters