133 



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12 

 1200 



Fall 1963 



Injection Barrier 



Seaward •* 



I I L 



► Landward 



J i I 



800 400 400 800 1200 



DISTANCE FROM INJECTION BARRIER (m) 



Fig. 8.10. Piezometric Pressure Profiles Perpendicular to the Seawater 



Intrusion Barrier in Los Angeles County for Various Times after 

 Commencement of Injection in the Fall of 1963 (reprinted with 

 permission from D. K. Todd, Groundwater Hydrology , copyright 

 1980, John Wiley & Sons, Inc.). 



