Pure Pastaza

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Team 8, Pure Pastaza, consists of four senior civil & environmental engineering students who are interested in water resources and treatment. The team also has a passion for helping those in developing nations.



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About Us

Pure Pastaza is comprised of four senior students at Calvin College, each of whom is pursuing a Bachelor of Science in Engineering degree with a Civil/Environmental concentration.  The team is committed to utilizing engineering within a Biblical framework to promote social justice and environmental sustainability both locally and abroad.  This commitment is manifested in a project to design a wastewater treatment system for a hospital in Shell Mera, Ecuador. 


Sungmin Youn Ben 
Vander Plas
James Dykstra Rachel Koopman

Ben Vander Plas
Ben is from Richland, Michigan.  After graduation he will be serving with the mission organization HCJB in Elkhart, IN in their technology center.  Then in the fall, he will be serving with Engineering Ministries International in Colorado Springs, Colorado.

Rachel Koopman
Rachel is most recently from Rochester, MI but grew up in Shanghai, China.  Rachel has accepted a position at NTH Consultants in the Detroit area.  She is engaged to Ken Echtinaw and will be getting married in June.

Sungmin Youn
Sungmin grew up in Seoul, South Korea.  He has been accepted to the University of Texas in Austin where he will pursue his Masters and PhD in environmental engineering.  He is engaged to Marie DeVries and will be married in July.

James Dykstra
James is from Kalamazoo, Michigan.  He will be graduating in engineering with a concentration in civil and environmental along with a Spanish minor.  He has accepted a position at Kieser & Associates environmental consultants in Kalamazoo, MI.