Lemna Environmental Technologies is the leading provider of innovative design and affordable lagoonwastewater solutions for municipal and industrial clients.

About Lemna The Highest Levels of Performance, Ethics, Integrity and Professionalism Recognized as the market leader in lagoon based process technology and cover systems, …

The use of the Lemna Polishing Reactor™ (LPR) immediately downstream of the settling zone is used to achieve ammonia limits down to less than 1 mg/l. The LPR is a submerged, fixed film, …

For over 40 years, Lemna Environmental Technologies, Inc. has been the trusted expert in lagoon wastewater treatment technologies and design.

LET delivers a full line of products and services to meet municipal and wastewater treatment needs whether it’s upgrading existing facilities or planning new construction. Our products are …

By creating partial mix aeration cells within the facultative environment, Lemna can expand upon the facultative process and improve the lagoon’s capabilities, providing consistent, reliable …

Laurelville city personnel have discovered the Lemna solution to be highly dependable and economically advantageous in addressing their wastewater challenge. Over time, the system …

Why aeration in wastewater treatment is important, how modernizing technologies can lead to better results, and a walkthrough of some of the modern technologies for wastewater aeration.

May 24th, 2023. Saleha Kuzniewski. The basics of wastewater treatment lagoons, why they are used, and how to maintain them. A wastewater treatment lagoon is an earthen pond where …

“Lemna’s cover and staff have provided performance as promised. Anytime we’ve had questions related to technical support, LET has been prompt in their response. I can safely state that …