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Open-File Report 2011–1205

Prepared in cooperation with the Cape Fear Public Utility Authority

Distribution of Transmissivity and Yield of the Surficial, Castle Hayne, and Peedee Aquifers in Northern New Hanover County, North Carolina

By Kristen Bukowski McSwain and Laura A. Nagy

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ABSTRACT

Data were collected from more than 230 wells in northern New Hanover County, North Carolina, to evaluate the distribution of transmissivity and yield of the surficial, Castle Hayne, and Peedee aquifers of the Coastal Plain Physiographic Province. Constant-rate,single-well aquifer test data were obtained and analyzed to calculate additional transmissivity values for 25 production wells that were completed in the Castle Hayne or Peedee aquifer. In the surficial aquife, transmissivity values ranged from 400 to 12,700 feet squared per day, and reported yields ranged from 6 to 100 gallons per minute. In the Castle Hayne aquifer, transmissivity values ranged from 1,400 to 18,700 feet squared per day, and reported yields ranged from 9 to 640 gallons per minute. In the Peedee aquifer, transmissivity values ranged from 530 to 18,600 feet squared per day, and reported yields ranged from 8 to 1,000 gallons per minute.

First posted October 3, 2011

For additional information contact:
Director
USGS North Carolina Water Science Center
3916 Sunset Ridge Road
Raleigh, NC 27607
Phone: 919-571-4000
http://nc.water.usgs.gov/

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Suggested citation:

McSwain, K.B., and Nagy, L.A., 2011, Distribution of transmissivity and yield of the surficial, Castle Hayne, and Peedee aquifers in Northern New Hanover County, North Carolina: U.S. Geological Survey Open-File Report 2011-1205, 1 sheet.



Contents

Abstract

Introduction

Study Area

Hydrogeology

Methods of Investigation

Hydrogeologic Properties

Transmissivity

Well Yield

Summary and Conclusions

References

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