Manchac Consulting Group, Inc. is a civil/environmental engineering firm. Our professional civil and environmental engineers have established the trust of many municipal, state, federal and private industrial clients. These relationships grow from our integrity and commitment to client service and attention to detail.

Construction is complete on this $60 million project. Bossier City's new WWTP was designed by Manchac Consulting Group, Inc. to replace the existing Red River WWTP. This state-of-the-art facility has been up and running since December of 2014.

Construction is complete on the Diamondhead WWTP. The project started in January of 2016. Manchac Consulting Group provided design services for the project and is currently providing support to DWSD operations staff during the demonstration period.