PHASE 4: MONTH 73 to 95
INFLOWS
OUTFLOWS
1486 ML/ann Dee River and Sludge
DOR WTP
1486 ML/ann
0
DOR WTP Transfer
1486 ML/ann
788 ML/ann
DOR WTP Transfer
366 ML/ann
Seepage Pumpback
Enhanced Evaporation
304 ML/ann
236 ML/ann
Rainfall and Runoff
Natural Evaporation
OCP
486 ML/ann Seepage Losses
-1631
149 ML/ann OCP to SSG
Pumped Transfer
0 ML/ann Return water to plant
0 ML/ann
1 ML/ann
OCP to SSG Pumped Transfer
Seepage Losses
414 ML/ann
10 ML/ann
Rainfall and Runoff
Natural Evaporation
SSGArea
31 ML/ann
0 ML/ann
Basin 1&2 Spill
Water retained in Tailings
434
0 ML/ann
0 ML/ann
Bleed Water to SSG
Return water to plant
0 ML/ann
3396 ML/ann
Return water to plant
Tailings Water to SSG
146 ML/ann Raw water from external source
Process Plant
403 ML/ann Ore Moisture
0 ML/ann
0
2847 ML/ann UMG to plant
OCP to plant
2847 ML/ann
3396 ML/ann
Return water to plant
149 ML/ann Tailings water to UMG OCP to UMG
284 ML/ann
151 ML/ann
Rainfall and Runoff
Natural Evaporation
UMG TSF
557 ML/ann Water retained in Tailings
274
NET SYSTEM BALANCE:
-924
Figure A.4
Simulated mean forecast water balance for Phase 4 (with UMG as the TSF)
12624987 | Heritage Minerals EA Amendment Application – Updates to Water Balance Model July 2025 (Final) 15
Powered by FlippingBook