Laserfiche WebLink
IS <br /> 3 . Tidal action causes flow reversal and salinity <br /> intrusion in the Delta waterways . Seepage of <br /> these saline waters into the ground water could <br /> account for the poorer mineral quality ; however, <br /> an examination of Figure 16 shows that intrusion <br /> of the 1000 ppm chloride line has never reached <br /> some areas of the Delta where ground water <br /> salinity is almost twice this value . <br /> t <br /> -105- <br />