PHASE 1: MONTH 0 - 11
INFLOWS
OUTFLOWS
1464 ML/period Dee River and Sludge
DOR WTP
1464 ML/period DOR WTP Transfer
0
1464 ML/period DOR WTP Transfer
726 ML/period
427 ML/ann
Seepage Pumpback
Enhanced Evaporation
276 ML/period
541 ML/period
Rainfall and Runoff
Natural Evaporation
OCP
446 ML/period Seepage Losses
-967
907 ML/period 0 ML/period SSG Pumped Transfer Evaporation Return
0 ML/period Enhanced Evaporation Losses
907 ML/period
0 ML/period
SSG Pumped Transfer
Enhanced Evaporation Througput
6 ML/Period
500 ML/period
Seepage Losses
SSGArea
Rainfall and Runoff 28 ML/period
36 ML/period
Basin 1&2 Spill
Natural Evaporation
-422
NET SYSTEM BALANCE:
-1389
Figure A.1
Simulated mean forecast water balance for Phase 1 (11 months of construction)
12624987 | Heritage Minerals EA Amendment Application – Updates to Water Balance Model July 2025 (Final) 12
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