The Lake Glenmaggie Weir supplies irrigation water for all the farms in the area .
The Lake Glenmaggie Weir also supplies drinking water to Maffra , Coongulla , Glenmaggie and Newry .
The Lake Glenmaggie Weir supplies irrigation water for all the farms in the area and also supplies drinking water to Maffra , Coongulla , Glenmaggie and Newry .