- G oul burn ▁water ▁grid , ▁supp lying ▁water ▁via ▁a ▁series ▁of ▁existing ▁and ▁proposed ▁pip elines . ▁The ▁ 7 0 - kil omet re ▁pipeline ▁was ▁connected ▁to ▁Melbourne ▁in ▁February ▁ 2 0 1 0 ▁to ▁carry ▁water ▁from ▁the ▁G oul burn ▁River ▁to ▁Melbourne ’ s ▁Sug arlo af ▁Res er voir . ▁It ▁is ▁the ▁government ' s ▁policy ▁that ▁it ▁only ▁be ▁used ▁in ▁times ▁of ▁critical ▁human ▁need : ▁when ▁Melbourne ’ s ▁total ▁water ▁stor ages ▁are ▁less ▁than ▁ 3 0 % ▁full ▁on ▁ 3 0 ▁November ▁of ▁any ▁year . ▁The ▁pipeline ▁can ▁transfer ▁a ▁portion ▁of ▁Lake ▁E ild on ’ s ▁water ▁that ▁is ▁set ▁aside ▁for ▁Melbourne , ▁called ▁the ▁critical ▁water ▁reserve . ▁This ▁was ▁ 3 8 , 4 0 0 ▁meg al it res ▁at ▁ 2 ▁June ▁ 2 0 1 4 , ▁and ▁any ▁changes ▁are ▁based ▁on ▁G oul burn - M ur ray ▁Water ’ s ▁advice . ▁ ▁The ▁North – S outh ▁P ipeline ▁was ▁presented ▁through ▁the ▁late ▁ 2 0 0 0 s ▁as ▁being ▁part ▁of ▁the ▁Victor ian ▁Government ' s ▁" O ur ▁Water , ▁Our ▁Future ", ▁which ▁included ▁other ▁major ▁projects ▁such ▁as ▁the ▁W on th aggi ▁des al ination ▁plant , ▁the ▁Card in ia ▁P ipeline ▁and ▁a ▁proposed ▁inter conne ctor ▁to ▁Ge el ong . ▁ ▁The ▁pipeline ▁runs ▁between ▁a ▁location ▁on ▁the ▁G