REPORT OF INVESTIGATIONS NO. 48


100


95


90___
 LAKE JACKSON

 85





 75


 40
 well 115
 35 ________ -




 A A I
 25 ---- "-"i, 5-F-
 I'
 20
 well 5 well 7


 15
 0 0 0 0 C
 Figure 6-Yearly average water level of Lake Jackson and selected wells.
Figure 6.-Yearly average water level of Lake Jackson and selected wells.


general manner. The hydrographs for wells 5 and 7
the same during the period of concurrent record,
expected from their proximity to each other.


are basically
as might be


 GROUND-WATER MOVEMENT

 The rate of ground-water movement into, or out of, Lake
Jackson has not been determined. The level of Lake Jackson
consistently is about 50 to 55 feet above the level of the piezometric