Ground-water level data for
North Carolina--1987
Open-File Report 89-68
By R.W. Coble and A.G. Strickland
Abstract
Continuous and periodic measurements in 54 key wells and
water-level measurements emplaced in Coastal Plain aquifers
across North Carolina in 193 supplemental wells are presented in
this report. Hydrographs of selected wells show changes in
ground-water storage in the State. The water table in the shallow
aquifers was higher throughout most of the State in 1987 than in
1986, indicating that rain had recharged these aquifers
sufficiently to replenish the deficit in ground water storage
that accumulated in the western and central parts of the State
during 1986. Water levels in the heavily pumped Coastal Plain
aquifers show a general downward trend for the year, indicating
ground water is being withdrawn from aquifer storage. Record low
water levels were measured in 4 of 13 wells in the Castle Hayne
aquifer; the greatest decline measured during 1987 was 0.3 ft.
Water levels in wells in the Peedee, Black Creek, upper Cape
Fear, and lower Cape Fear aquifers generally show downward
trends. Record low water levels were measured in 4 of 8 wells in
the Peedee aquifer; the maximum decline measured during 1987 was
1.5 ft. All wells in the Black Creek, upper Cape Fear, and lower
Cape Fear aquifers had record low water levels for 1987, with
maximum measured declines in 1987 of 8.6, 3.1, and 3.1 ft.,
respectively. Record high water levels were measured in two
wells, one each in the Castle Hayne and Peedee aquifers.
Potentiometric surface maps show the effects of major centers of
pumping for the Castle Hayne, Black Creek, and lower Cape Fear
aquifers of the Coastal Plain.
Citation:
Coble, R.W., and Strickland, A.G., 1989, Ground-water level data for North Carolina--1987: U.S. Geological Survey Open-File Report 89-68, 152 p.
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