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Report: Correlating Wells to Mapped Aquifers, Township of Langley, British Columbia
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If you have any questions on the information presented, or require additional report data or attachments, please contact the Report Contact
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This report describes procedures used to correlate groundwater wells to mapped aquifers in the Township of Langley.
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Author: Mike Wei and Morgan Jackson
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Date Published: Nov 2023
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Report ID: 62667
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Audience: Government and Public
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Within the Township of Langley, B.C. (TOL), there are 7230 registered wells in the B.C. Groundwater Wells and Aquifers database (GWELLS) and of those approximately1500 wells have not been correlated to mapped aquifers. Correlating wells to mapped aquifers in the TOL is crucial for groundwater licensing and allocation because it allows the point of well diversion (the well) to be identified with the source aquifer. Four hundred and thirty-four (434) wells registered in GWELLS between 2018 and 2022 were targeted for correlation to the 31 mapped aquifers in the TOL. The process of correlating wells to mapped aquifers was achieved by: 1) comparing the screened or open depth of the subject well to be correlated to the geological units in the nearest draft cross-section(s); 2) comparing the location of the subject well to the areal extent of the mapped aquifer; and, 3) cross-checking and comparing the correlations of up to three neighbouring wells. Where necessary the location of the well and lithologic description in the well record was also reviewed with respect to surficial geology mapping and to the aquifer reports for geological consistency.
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Report Type
Subject
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Region - Lower Mainland |
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Water Information - Groundwater |
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Water Information - Water Management |
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