During her freshman year, she was selected to participate in the United States U-20 women's national soccer team training camp and recorded a season-high six shots. As a sophomore in 2007, she started all 19 matches, scored 10 goals (then tied for eighth on the Cougar single-season list), and added four assists. Her three game-winning goals tied for seventh on WSU's single-season list. She was named All-West Region by Soccer Buzz as well as to the All-Pac-10 First Team and received an All-Pac-10 Academic honorable mention. During her junior year, Dallstream appeared in 16 matches, started 13 and led team with five assists. She was also a member of U.S. team that won gold medal at the 2008 FIFA U-20 Women's World Cup.