“Our goal is to achieve the highest levels of performance, ethics, integrity and professionalism in the water industry."



Recognized as the market leader in lagoon based process technology and cover systems, LET’s expertise encompasses all aspects of wastewater project development from conceptual design to final commissioning and ongoing customer support. Our mission is to provide innovative and cost effective wastewater treatment solutions that enable municipal and industrial clients to protect water resources now and for the future.

We deliver on this mission through design expertise and a full product line that address the multiple needs municipalities, engineers and contractors have for wastewater treatment. With over 30 years of experience, we have earned a solid reputation for superior customer service and the ability to provide economical solutions tailored to fit our client’s specific needs.

P: (612) 253-2000

E: techsales@lemna.com

4215 White Bear Parkway, Suite 200,
Vadnais Heights, MN 55110

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