Australian Water Management Review Vol 2 2013 | Page 84

was unsustainable in seven of the 20 irrigation areas in the basin. It warned that without proper management there will be major drawdowns in groundwater levels, which is now being addressed by the Commonwealth and relevant states. The Murray–Darling Basin Authority (MDBA) is addressing such concerns in its historical basin plan which was signed into law in November 2012. The MDBA says the plan aims to return a minimum 2750 gigalitres a year back to the river system and for the first time introduces a limit on groundwater use across the bas ????????????????????????????????????????????????????????Q????????????????????????????????????????????????M1??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????qQ??????????????????????????????????????????????????????????????????????????????????????????????t????A???!?????????????????A?????????A????????A???????????????????5 ???qQ??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????t()????????????Q?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????? ???? ???????E?????????????????A????????????????????????????????????????????????????L???????????????????L??????????????????????????????????????????????????????????????Q??????????????????????????a????????????d????????????????????????????????????????????????????????????A??????????????????????????? M%I