Jonker Dams Engineering is an independent dam engineering consultancy led by Marius Jonker.
The firm provides comprehensive dam engineering and dam safety expertise and advisory services across the entire infrastructure lifecycle, from planning and design through construction, operation, and eventual decommissioning, guided by ANCOLD and ICOLD guidelines, regulatory requirements, and international industry practice.
Clients come to us for clear, senior-level technical expertise on complex dam safety and engineering challenges, delivered directly — no layers, no hand-offs to others, just experienced eyes on the problem.
Get in touch to discuss your project.
Marius is a Chartered Professional Engineer (Civil), RPEQ, and RPEV, with 35+ years of specialist experience in dams and hydropower.
He has a master’s degree in civil engineering with a focus on water engineering and hydraulic structures.
His project experience spans concrete gravity dams, roller compacted concrete (RCC), concrete arch dams, earthen, rockfill, and concrete face rockfill embankment dams, and concrete buttress dams, up to 140 m in height, as well as appurtenant structures such as spillways, inlet and outlet works, diversion works, and energy dissipators, across Australia, Southeast Asia, and Africa.
He is the chair of the ANCOLD Working Group for the Guidelines on Outlet Works and served on the working group for the 2013 Guidelines on Design Criteria for Concrete Gravity Dams.
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