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<br />CONTENTS <br /> <br />Page <br /> <br />Glossary.......... ........... <br />Conversion factors ... .......-.... <br />Abstract.......................... -. <br />Introduction ............... <br />Purpose and scope. . _ . . . <br />Terminology .. _ . . . . _ . <br />Sources of data and methods of analysis ..... <br />Acknowledgments. . . . . . . . . . . . . . . . <br />Water use ..... .......... .... .._... ...... <br />Offstreamuse ....... ............ <br />Total water use .. ..-......... <br />Public supply ...... - . . . . . <br />Domestic. ............ <br />Commercial......... <br /> <br />v <br />vii <br /> <br />t <br />2 <br />2 <br />3 <br />3 <br />5 <br />6 <br />8 <br />8 <br />22 <br />26 <br />30 <br /> <br />FIGURES <br /> <br />Page <br /> <br />Map showing water-resources regions of <br />the United States. . . Inside front cover <br />Figures 1-2. Maps showing total water withdrawals, <br />1990, by- <br />1. Water-resources region. . . _. . . 9 <br />2. Source and State.. ............ 10 <br />3-4. Maps showing freshwater consumptive <br />use, 1990, by- <br />3. Water-resources region. . . . . 18 <br />4. State. . . . . ... . . . . ..... . . . . 18 <br />5. Map showing intensity of freshwater with- <br />drawals per capita by State, 1990 .... 19 <br />6. Map showing intensity of freshwater with- <br />drawals per area by State, 1990. . . 19 <br />7. Diagram showing source, use, and <br />disposition of freshwater, 1990 . . .. 21 <br />8-23. Maps showing water withdrawals or use, 1990, <br />for- <br />8.9. Public supply, by- <br />8. Water-resources region. . . . _ _. . . . .' 23 <br />9. Source and State _... .......... 24 <br />10-12. Domestic, by- <br />10. Water~resources region. . . . 27 <br />11-12. State.... ......... 28 <br />13-15. Commercial, by- <br />13. Water-resources region. ....... 31 <br />14-15.State..... .......... 32 <br /> <br />.~-,-~~"'..,-T'7---.C-C" __---..---,c."~~---.~.. ,_________n' <br /> <br />Page <br /> <br />Water use-Continued <br />Offstream use--Continued <br />Irrigation... . <br />Livestock <br />Industrial <br />Mining ...._... <br />Thermoelectric power .. <br />Instreamuse ......... <br />Hydroelectric power. . .. . . . .. . . .. ... . . <br />Wastewater Release .... ............ <br />Wastewater treatment . . . . . . <br />Trends in water use, 1950-90 ...... _ _ . <br />Referencescned _.. .... ..._.... <br />Selected water-use bibliography .. <br /> <br />34 <br />38 <br />42 <br />46 <br />50 <br />56 <br />56 <br />60 <br />60 <br />64 <br />70 <br />71 <br /> <br />Page <br /> <br />Figures 16-17. Irrigation, by- <br />16. Water-resoun;es region 35 <br />17. Source and State..,...... 36 <br />18-19. Livestock, by- <br />18. Water resources region 39 <br />19. State... .................... 40 <br />20,22. Industrial, by- <br />20. Water~resources region. . . . 43 <br />21-22. State.. .. ........ . 44 <br />23-25. Mining, by- <br />23. Water~resources region. 47 <br />24,25. State..... 48 <br />26-28. Thermoelectric power, by- <br />26. Water~resources region. . . . . . . . . . . 51 <br />27-28. State......... 52 <br />29-30. Maps showing hydroelectric power <br />water use, 1990, by- <br />29. Water-resources region .. . . . 57 <br />30. State. .. . .. . . . . 58 <br />31.32. Maps showing wastewater treatment <br />return flow, 1990, by- <br />31. Water-resources region. ......... 61 <br />32. State................. 62 <br />33.34. Graphs showing trends, 1950-90, for- <br />33. Offstream and instream water uses. . 68 <br />34_ Water withdrawals by water-use <br />category....... 68 <br /> <br />iii <br /> <br />~ T ~~~,. <br /> <br />~,~~ ~-"'--,""'l""1"'""" <br /> <br />~- <br />