State of the Environment Report 2012 - page 290-291

Coast & Estuaries
Page 232
Table 42: Amount of treated wastewater discharged to Gulf St Vincent from 2002/03 - 2009/10 at Bolivar.
Bolivar AS WWTP (main plant)
Parameter unit 02/03 03/04 04/05 05/06 06/07 07/08 08/09 09/10
Wastewater treated ML/a 57302 56620 56665 58523 53883 49860 50368 50780
Wastewater discharged to sea ML/a 34368 35801 39724 41522 30199 28710 29641 30965
Wastewater reused % 27% 29% 28% 25% 40% 41% 40% 38%
Total nitrogen discharge to sea t/a 383 408 375 424 364 387 403 555
Total Phosphorous discharge to
sea
t/a 127 163 187 189 156 165 170 126
Suspended solids discharge to
sea
t/a 1171 1465 939 673 497 739 923 983
Soluble biochemical oxygen
demand discharge to sea
t/a 149 155 135 123 81 63 56 70
Bolivar HS WWTP
Parameter unit 02/03 03/04 04/05 05/06 06/07 07/08 08/09 09/10
Wastewater treated ML/a 7056 9218 8293 8059 7628 8155
Wastewater discharged to sea ML/a 6171 8955 7873 7336 7161 7891
Wastewater reused % 0% 0% 0% 0% 0% 0%
Total nitrogen discharge to sea t/a 66 107 109 92 106 103
Total Phosphorous discharge to
sea
t/a 31 33 31 27 23 23
Suspended solids discharge to
sea
t/a 96 104 72 57 54 61
Soluble biochemical oxygen
demand discharge to sea
t/a
Plant began operations
Sept 2004
47 74 47 35 33 34