Water-Level Contour Map
A water-level contour map is a common tool used by a hydrogeologist to
indicate groundwater flow directions and to test the continuum approach.
Todd (1959) asserts that under steady state conditions, flow lines lie
perpendicular to water table contours. From field measurements of static
water levels in wells, a water level contour map can be constructed. Anomalously
high or low water levels or jagged or discontinuous contours may be evidence
that the continuum approach is not legitimate. Water flow directions will
aid in the delineation of the source water protection area.
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