2010-11: Dominic Turgeon skated for the U14 Colorado Thunderbirds AAA bantam team that reached USA Hockey’s Tier 1 National tournament. He was selected by Portland in the third round (64th overall) of the 2011 WHL Bantam Draft.
2011-12: Turgeon made his WHL debut – appearing in a March game with the Portland Winterhawks — and was the second-leading scorer for the Colorado Thunderbirds U16 minor midget team. He had no points nor penalty minutes in his only WHL game. In 40 games for the Thunderbirds he scored a team-leading 25 goals with 15 assists and had 4 penalty minutes.
2012-13: Turgeon joined Portland in the WHL as a 16-year-old. He appeared in seven regular season games with the USA National Team Development Program’s U17 team and played for the USA’s U17 team at the 2013 World Hockey Challenge in Canada. Turgeon scored 3 goals with 5 assists and was -2 with 2 penalty minutes in 54 WHL regular season games. Turgeon was -1 with no points or penalty minutes in five playoff games and five Memorial Cup games for the WHL champions. Turgeon had 3 assists in seven games with the NDTP team and had 3 assists for the bronze medal USA team at the WHC. Turgeon was invited to USA Hockey’s Select 17 Development Camp and was selected to play in the 2013 Ivan Hlinka Memorial Tournament.
2013-14: Turgeon played for the USA in the 2013 Ivan Hlinka Memorial Tournament before returning to Portland for his second season. He had 1 assist and was +1 in five games at the Ivan Hlinka Tournament. Turgeon played in the 2013 USA Hockey/CCCM All-American Prospects game and was ranked 130th amongst North American skaters in Central Scouting’s mid-term rankings prior to the 2014 NHL Draft.