Less than two years ago, a freshwater mussel that nobody in North America had dealt with before showed up in California’s water system. It spread rapidly. Since its arrival, utilities, hydroelectric operators, industrial water users, and dam owners have been watching it the way you’d watch a fire moving toward a property line. California’s experience is the best data anyone has right now, and it’s worth learning from before the same thing happens somewhere else.
The October–November 2025 issue of the North American Tunneling Journal features insights from ASI Group’s Scott Black, Sr….
Get to know Alissa van Overbeeke, P.Eng., ASI Group’s General Manager of Remote Services, as she shares her journey in ROV operations, insights on leadership, and how innovation and teamwork drive success below the surface.
The partnership between ASI Group and Evoqua Water Technologies is already proving fruitful, particularly with the recent success in providing traveling screen services. This collaboration combines ASI’s expertise in mechanical systems and Evoqua’s advanced water treatment technologies to deliver efficient and reliable solutions for water intake systems.
Read Bob Clarke’s interview in Hydro Leader magazine, where he discusses ASI Group’s cutting-edge underwater inspection technologies.
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Posted in NewsTagged asi group, asi marine, asigroup, inspections, rov, underwater inspections
ASI Marine performs an underwater inspection at the Dillon Dam reservoir and Roberts Tunnel Intake for Denver Water.
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Posted in NewsTagged asi group, asi marine, denverwater, dillondam, inspections, robertstunnel, rov
Discover insights from one of ASI’s Certified Hydrographers on advanced surveying techniques and project management in our latest Q&A.
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Posted in NewsTagged asi group, asi marine, certifiedhydrographer, hydrography, underwater inspections, WHD
Did you know that ASI Group was tasked with identifying and addressing a severe blockage in a section of the 120+ km of the Päijänne Water Tunnel in 1998? Using a remotely operated vehicle (ROV) equipped with sonar and underwater, the location of the blockage was located and identified at a rockfall that was completely obstructing the tunnel. Only a limited amount of water was getting past the rock rubble, putting Helsinki’s drinking water supply at risk.
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Posted in NewsTagged asi group, asi marine, inspections, paijianne water tunnel, rov, underwater inspections
Press Release: ASI Deepens its Global Reach with Acquisition of CAN-DIVE Construction Ltd
ASI looks back on a year in review and acknowledges some of the accomplishments attained in 2023.
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