Table 9.

Summary of well data and depth distribution across GWPZ Classes.

GWPZ class	No. of wells	Mean depth (m bgl)	Median depth (m bgl)	Min depth (m bgl)	Max depth (m bgl)
Very good	15	17.2	17.8	15	19.5
Good	60	21.3	21.6	19	25
Moderate	110	28.1	28.7	26	32
Poor	115	32.9	33.1	30	36.5
Very poor	50	41.2	41.8	39	45.5