X0202 5 2005-03-31 1 0 0 0000018072 CASCADE NATURAL GAS CORP CGC 0001237295 MATSUYAMA W BRIAN 222 FAIRVIEW AVE NORTH PO BOX 24464 SEATTLE WA 98109 1 1 0 0 President/CEO/Vice Chair Common Stock 33279.1842 D Matsuyama W Brian 2005-04-05