| Period | No. of Working Wells | Withdrawal Q m3/Day |
| Feb 1982 to Feb 1986 | 1 | 870 |
| Feb 1986 to Jun 1987 | 4 | 3640 |
| Jun 1987 to Dec 1994 | 5 | 3900 |
| Dec 1994 to Dec1998 | 5 | 2500 |
| Dec 1998 to Dec 2001 | 6 | 1600 |
| Dec 2001 to Dec 2008 | 6 | 1600 |
| Dec 2008 to Apr 2009 | 5 | 1400 |
| Apr 2009 to Apr 2013 | 5 | 1400 |