The region of British Columbia(Canada) is mountainous with topography ranging from sea level up to 450 m above sea level. Groundwater in fractured rock is the main source of potable water source. Groundwater recharge occurs during the winter months (November to March). Consequently, the natural groundwater levels in these coastal aquifers show a seasonal high during winter or early spring (January), and generally decline from spring to late fall to their lowest levels in September.
Questionnaire coastal British Columbia,
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