Borehole Log Lithology

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Published by the Ministry of Environment and Climate Change Strategy - Environmental Emergencies and Land Remediation
Licensed under Access Only

Contains data on lithology, hydraulic conductivity and water levels, taken from borehole logs.

This layer is a point feature.

Data and Resources

Dataset Extent

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

Additional Information

Data Quality
Lineage Statement

More Information

Contact Information

NameLavinia Zanini (pointOfContact)
EmailLavinia.Zanini@gov.bc.ca
OrganizationMinistry of Environment and Climate Change Strategy
Sub-OrganizationEnvironmental Management
NameJanet Barrett (pointOfContact)
EmailJanet.Barrett@gov.bc.ca
OrganizationMinistry of Environment and Climate Change Strategy
Sub-OrganizationEnvironmental Management

Access & Security

Who can view this dataset? Government
Who can download this dataset?Government

Metadata Information

Record Published 2015-04-13
Record Last Modified 2019-05-04
Resource Status completed

Object Description

Object Name: WHSE_WASTE.SITE_BOREHOLE_LITHOLOGY_SP

Short Name: BRHL_LTH
Comments: BOREHOLE LITHOLOGY SP contains data on lithology, hydraulic conductivity and water levels, taken from borehole logs. This layer is a point feature.

Column Name Short Name Data Type Data Precision Comments
BOREHOLE_LITHOLOGY_ID BRHL_ID NUMBER 10 BOREHOLE LITHOLOGY ID is a system generated unique identification number. This is a primary key. e.g., 70
BOREHOLE_SITE_ID BRHL_S_ID NUMBER 5 BOREHOLE SITE ID is the site ID which is assigned to each remediated site. e.g., 7010
BOREHOLE_NAME BRHL_NAME VARCHAR2 255 BOREHOLE NAME is the borehole name assigned by the driller of the borehole. e.g., MW2002-2
BOREHOLE_ADDRESS BRHL_ADDR VARCHAR2 255 BOREHOLE ADDRESS is the address at which the borehole was drilled. e.g., 952 Granville Street
BOREHOLE_MUNICIPALITY BRHL_MUN VARCHAR2 100 BOREHOLE MUNICIPALITY is the municipality in which the borehole was drilled. e.g., Langley
LATITUDE LATITUDE NUMBER 8 LATITUDE is the latitude of the site where the borehole was drilled, in decimal degrees. e.g., 49.280249
LONGITUDE LONGITUDE NUMBER 9 LONGITUDE is the longitude of the site where the borehole was drilled, in decimal degrees. e.g., -123.119281
DATE_DRILLED DATE_DRILL DATE 7 DATE DRILLED is the date on which the borehole was drilled. e.g., 2007-05-24
TOTAL_DEPTH TOTAL_DPTH NUMBER 5 TOTAL DEPTH is the total depth of the borehole, in meters. e.g., 6.1
TOC_ELEVATION TOC_ELEV NUMBER 5 TOC ELEVATION is the elevation of the top of the casing, in meters above sea level. e.g., 25.5
SURFACE_ELEVATION SURF_ELEV NUMBER 5 SURFACE ELEVATION is the ground surface elevation, in meters above sea level. e.g., 25.6
DEPTH_TO_TOP_OF_SCREEN DPTH_TO_TP NUMBER 5 DEPTH TO TOP OF SCREEN is where the top of the well screen is located, in meters below ground surface. e.g., 4.5
DEPTH_TO_BOTTOM_OF_SCREEN DPTH_TO_BT NUMBER 5 DEPTH TO BOTTOM OF SCREEN is where the bottom of the well screen is located, in meters below ground surface. e.g., 6.7
FROM_UNIT_DEPTH F_UNIT_DPT NUMBER 5 FROM UNIT DEPTH is where the lithological unit begins, in meters. e.g., 2.6
TO_UNIT_DEPTH T_UNIT_DPT NUMBER 5 TO UNIT DEPTH is where the lithological unit ends, in meters. e.g., 3.7
UNIT_NUMBER UNIT_NUM NUMBER 3 UNIT NUMBER is the lithological unit number. e.g., 1
UNIT_DESCRIPTION UNIT_DESC VARCHAR2 255 UNIT DESCRIPTION is the description of the lithological unit. e.g., Sand (fine to medium), silty, dark grey
HYDRAULIC_CONDUCTIVITY HYDRLC_CON NUMBER 12 HYDRAULIC CONDUCTIVITY is the hydraulic conductivity in meters per second. e.g., 0.000000572
DEPTH_TO_WATER_BELOW_TOC D_T_WB_TOC NUMBER 5 DEPTH TO WATER BELOW TOC is the depth to water, in meters below the top of the casing. e.g., 3.8
DEPTH_TO_WATER_BELOW_SURFACE D_T_WB_SUR NUMBER 5 DEPTH TO WATER BELOW SURFACE is the depth to water, in meters below the ground surface. e.g., 4.6
SUPPORTING_DOCUMENT SUP_DOC VARCHAR2 500 SUPPORTING DOCUMENT is a path and file name of scanned PDF version of the borehole log. Example of a file name is 11623_MW09-1.pdf
SHAPE SHAPE SDO_GEOMETRY 1 SHAPE 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 SE_ANNO_CA BLOB 4000 SE ANNO CAD DATA is added by ArcGIS to support CAD and annotation features when the spatial type is SDO_GEOMETRY.

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