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 now complete on this project where Manchac designed a terrace field in the marshes near the mouth of the Mississippi River on Alexis Bay for Plaquemines Parish after this area was devastated by Hurricane Katrina.

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 now 75% complete on the new Diamondhead WWTP. The project started in January of 2016. Manchac Consulting Group provided design services for the project and is currently providing General Services during construction.

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News

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    Construction on the new Diamondhead Wastewater Treatment Plant is now 75% complete
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    Manchac Looking Forward to Relocating Bossier City Offices in the Spring of 2017
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    Alexis Bay Terrace Project – (Client: Plaquemines Parish)
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    Manchac Consulting Group and Bossier City Form A Public-Private Partnership
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    Plaqumine High School getting state-of-the-art athletic upgrades