Junior (2018):
- Received ACWPC All-American Honorable Mention distinction after a second consecutive 40-goal campaign
- MPSF All-Academic Team selection
- Enjoyed a breakout junior campaign, developing into one of the Sun Devil's most dangerous offensive weapons
- Became a consistent threat that opposing defensive had to account for, finishing the season with a career-best 42 goals
- Showed off her all-around game throughout the year, leading the Sun Devils with an incredible 39 steals while tying for the team lead with 18 assists
- Registered a team-high six hat tricks on the season, ranking sixth in the MPSF in goals scored
- Dominated the match against No. 21 San Jose State, helping Arizona State earn a MPSF victory over the Spartans with her second four-goal performance of the season
- Was tremendous at the Barbara Kalbus Invitational, finished the weekend with seven goals, three assists, and four steals
- Notched a hat trick in three of the four games at the ASU Cross Conference Challenge (2/2-2/4)
Sophomore (2017):
- Spent the summer competing for the bronze-winning Netherlands World Junior National Team in the FINA World Junior Water Polo Championships
- Scored six goals for the Dutch in the 12th FINA World Junior Water Polo Championships in six games
- Her 13 mutli-goal performances during her sophomore season led the squad
- Finished 16th in the conference with a 1.52 goals per game average after tallying 41 goals in 27 games during her sophomore season
- Third on the team with five three-plus goal performances
- Tallied five goals in two of her first four games of the season, hitting the mark in the season opener against No. 15 San Diego State and matching that total against Sonoma State
- ACWPC Academic All-American selection
Freshman (2016):
- Collegiate Water Polo All-American Honorable Mention
- Named to the MPSF All-Newcomer team, becoming the third ASU freshman to be names an All-American
- Led the team in goals (39), assists (38), points (77) and steals (39)
- Her 77 points were 27 more than any Sun Devil on the team
- Crushed the ASU school freshman record for assists
- Scored a career-high four goals in her second game against Indiana
- Recorded a career-high five assits against #14 San Jose State
- Logged career-high four steals against #3 Stanford
Previous:
- Competed on the Dutch Youth and Junior National teams that competed this past season at the Youth World Championships and the European Championships
| Koopman's Career Statistics | ||||
| Year | Goals | Assists | Points | Steals |
| 2019 | 58 | 10 | 66 | 23 |
| 2018 | 42 | 18 | 60 | 39 |
| 2017 | 41 | -- | -- | -- |
| 2016 | 39 | 38 | 77 |
39 |
| Career | 180 | 66 | 203 | 101 |