Memorandum - Goulburn Broken Catchment Management Authority

Figure 1 (all figures from doc#309910)
Total Phosphorus Load (kg)
140,000
120,000
100,000
80,000
60,000
40,000
20,000
Figure 2
Total Phosphorus Load (kg)
200,000
180,000
160,000
140,000
120,000
100,000
80,000
60,000
40,000
20,000
0
0
1990/91
MV 6,
Rodney,
Deakin
1990/91
1991/92
1991/92
Toolamba
1992/93
1992/93
TP loads from Monitored drains in Goulburn-Broken catchment
(Deakin, Rodney, Toolamba, MV 6)
1993/94 is the
benchmark year
1993/94
1994/95
1995/96
1996/97
1997/98
4
1998/99
Year
1999/2000
2000/01
2001/02
2002/03
Estimated Total Phosphorus Loads from all Irrigation Drains
in the Goulburn-Broken catchment
1993/94
1994/95
1995/96
Benchmark Year
Warrigal Ck,
MV 3
Timeline when drains added to monitoring program
(TP load estimated for unmonitored drains & periods)
1996/97
Shep 11
& 12
1997/98
1998/99
year
1999/2000
2000/01
2001/02
2002/03
2003/04
2003/04
Annual load
5 year rolling average
Target (monitored drains)
2004/05
2004/05
2005/06
Total estimated Annual Load (update)
5 year rolling average of Annual Load
Target (50% of 93/94 load)
2005/06