Water levels are held at 20% in the summer months so that the Port Philip Trail remains above the water. There are good populations of both [[Brown Trout|brown trout]] and [[Rainbow Trout|rainbow trout]] within the reservoir. The wet winter of 2016 saw levels exceed 70% in October- the highest for 2 decades.
f<ref>{{cite web|url=http://www.snowymountainsfishing.com.au/index.php?option=com_content&view=article&id=21&Itemid=9|title=Tantangara Reservoir|work=Snowy Mountains Fishing|accessdate=3 May 2013}}</ref><ref>{{cite journal|url=http://www.fishingmonthly.com.au/Articles/Display/3814-Great-trout-but-watch-the-skiers|title=Great trout but watch the skiers|last=Pratt|first=Bryan|date=September 2006|journal=Fishing Monthly|accessdate=3 May 2013}}</ref><ref>{{cite web|url=http://www.sweetwaterfishing.com.au/Tantangara.htm|title=Tantangara Reservoir - Snowy Mountains. NSW|work=Sweetwater Fishing Australia|year=2007|publisher=Garry Fitzgerald|accessdate=3 May 2013}}</ref>
