North America's oldest continuously operating hydraulic modeling and testing laboratory. Experts in environmental services & engineering. #aldenlab #since1894

Holden, MA
Joined May 2009
It’s National #Hydropower Day! For over a century our lab has provided expert services for operations, licensing, and mitigation for the nation’s first renewable resource that provides #cleanenergy to roughly 30M Americans, and 31% of our overall renewable electricity #HydroDay
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State-of-the-art #fishpassage structures—currently being designed by Alden/Verdantas—would replace a failing fishway and improve passage at Woodland Dam on the St. Croix River as push for funding for the project continues hubs.la/Q01Z-9jt0 #buildingabettertomorrow
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Known as a subject matter expert and innovator, Dan Gessler, PE, Ph.D, D.WRE, has been selected to lead Verdantas’ Hydrology, Hydraulics, and Fluids practice group. Read more hubs.la/Q01JrsW00 #hyraulics #hydrology #fluidmechanics #leadership #peoplefocused
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Congratulations to Andy Johansson, Alden's Director of Hydraulic Modeling & Consulting, for being recognized as the @HIpumps 2022 Standards Partner of the Year! hubs.la/Q01GjFJM0
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We're excited to announce that Leighton Group has joined our #peoplefocused team. This acquisition strengthens our western US presence & adds depth to our geologic, geotechnical & materials capabilities. Read more: hubs.la/Q01FXgYZ0 #buildingabettertomorrow #weareverdantas
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On this #IWD2023, we #EmbraceEquity and recognize the inspiring women all around us. We believe an inclusive, diverse, equitable, and welcoming workplace fuels innovation and connection among our employees, clients, and the communities we serve. #WeAreVerdantas
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Good virtual design begins with good models. That's why Alden used full-scale test rig to evaluate complex leakage flows of an automotive tunnel fire door. Dunan Phyfe presents the results of this physical flow model at the 2023 ASHRAE Winter Conference. hubs.la/Q01Bdg2q0
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The United States EPA released a new rule to redefine Waters of the United States. Find out if the 2022 WOTUS Rule could affect your project. hubs.la/Q01yP1rs0 #cleanwateract #buildingabettertomorrow #aldenlab
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Chris Rutledge assumes the role of Practice Group Director of Verdantas. The Verdantas Practice Groups are the heart and soul of the company and help drive organic growth and overall company technical development success. Learn more: hubs.la/Q01yblTH0 #WeAreVerdantas
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Our team is looking forward to co-presenting at @DFI_tweets #Grout22, Jan. 15-18, in New Orleans. We'll be discussing large-scale grout test chamber results to-date and the benefits it provides the Logan Martin #Grouting Project. Get more details here: hubs.la/Q01w8qqN0
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To our clients, our colleagues, our families, and our friends. We wish you the best this season has to offer. Thank you for a fantastic year. #peoplefocused #gratitude
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It's that time of year where ice build-up on #wetstacks is a safety concern. The EPRI Revised Wet Stack Design Guideline contains recommendations to reduce this potential hazard. Find out more or reach out to us to discuss design details for your facility hubs.la/Q01vZ6Gg0
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Lead by our employees, our ESG program sets out our companywide approach to a sustainable purpose and guides our decisions by focusing on business ethics and compliance, people and culture, and community. Read our 2023 ESG report now. hubs.la/Q01tP12B0 #PeopleFocused
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Spend a moment with us as we reflect on the traditions and things we are most thankful for. From our families to yours, we wish you a #HappyThanksgiving. hubs.la/Q01t295s0
We recently hosted @VattenfallGroup scientists at our Massachusetts lab. Their researchers are conducting #fishpassage studies similar to what Alden has been doing for nearly 50 years. It was a great way for all experts to share #hydropower #innovations. #buildabettertomorrow
"What do you need and how can we support you?" Patriotic Employer Recognition Awarded hubs.la/Q01s2xZf0 #WeAreVerdantas #MilitarySupport #VeteransDay
On #VeteransDay, we recognize those service men and women who proudly served our country, including countless co-workers, clients, family, and friends. #ThankYou #PeopleFocused
Connections, collaboration, community, and a commitment to help our clients #BuildaBetterTomorrow. Could you be next to join our #peoplefocused culture? Click to learn more: verdantas.com/people #AldenLab #WeAreVerdantas
This week, the Mid-Breton Sediment Diversion design and engineering team got their first look at the 1:20 scale physical model being used to inform the design of the sediment diversion gate structure, a project being designed to help reverse land loss sponsored by @LouisianaCPRA
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