#$%^&*AU2016100063A420160303.pdf#####ABSTRACT Described herein is a sustainable drinking water system (100) to feed water to livestock, the sustainable drinking water system (100) comprising one or more troughs (101) from which the livestock can drink water a pumping device (102) configured to pump water 5 from a reservoir (103) into the one or more troughs (101) via an inlet conduit (104) a first automatic flow control valve (105) configured on the inlet conduit (104) to selectively allow the flow of water through the inlet conduit (104) a drain conduit (106) adapted to selectively drain the water from the one or more troughs (101) into the reservoir (103) a second automatic flow control valve (107) configured on the drain conduit (106) to 10 selectively allow the flow of water through the drain conduit (106).10310 1 0 FIUR 1 7345013~~~~N 1 atr) 1206
