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

Ammonia-nitrogen (NH3) is converted to nitrate-nitrogen (NO3) by an aerobic biological process called nitrification. In the LemTec™ process, nitrification occurs in the Complete Mix cell of the …

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.

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 …

While succession planning is a common topic in the industry, not very many people outside of it know that it’s a problem. We often hear about global warming, dwindling resources, and …

“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 …

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 …

“It has been a pleasure to work with Lemna Environmental Technologies, Inc. The service and support are fast and friendly.” P. V., Wisconsin – LET Client

A look at how the landmark law changed the water industry. On October 18, 1972, Public Law 92-500, better known as the Clean Water Act (CWA), was approved and passed by the 92nd …

Lemna designs and installs systems for all municipal and industrial applications. Lemna provides a full range of wastewater design and engineering services, backed by exceptional results and …