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Scientific Investigations Report 2008–5059

U.S. GEOLOGICAL SURVEY
Scientific Investigations Report 2008–5059

Estimated Depth to Ground Water and Configuration of the Water Table in the Portland, Oregon Area

Prepared in cooperation with the City of Portland, the City of Gresham, Clackamas County’s Water Environment Services, and Multnomah County

By Daniel T. Snyder

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Table of Contents

Conversion Factors

Abstract

Introduction

Study Methods

Estimated Depth to Ground Water and Configuration of the Water Table

Summary

Acknowledgments

Selected References

Appendix A. Records of Selected Wells and Springs in the Portland, Oregon Area.

Appendix B. Data Files of Depth to Water, Water-Table Elevation, and Relative Uncertainty of the Water-Table Position. (Data files updated 12-12-2008)

Plates

Figures

Tables

This report is available online in Portable Document Format (PDF). If you do not have the Adobe Reader, it is available for free download from Adobe Systems Incorporated.

Download the report (PDF, 8.5 MB)

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Interactive Map

- New Interactive Map allows users to find the approximate depth to the water table at any location in the Portland area simply by clicking a point on the map or entering an address.

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Send questions or comments about this report to the author, D.T. Snyder, (503) 251-3287.

For more information about USGS activities in Washington, visit the USGS Oregon Water Science Center home page.

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