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La Terre Engineering LLC. (LTE) is a full service, minority owned civil engineering firm founded by Seneca Toussant, PE and located in downtown Baton Rouge, Louisiana. 



  • Water and Environmental 

  • Transportation 

  • Development Services and Facilities 


LTE’s professional services deliver excellent solutions to clients in the following markets: Environmental/Water, Transportation, Development Services and Facilities. These services are designed to provide opportunities for growth and success.


Although LTE is a relatively new firm, the founder and principal engineer, Seneca Toussant, is a Professional Civil Engineer with over twenty years experience in a broad range of projects including roadway design, sidewalk and ADA compliance, stormwater and drainage design, water treatment and distribution and wastewater collection and treatment design.

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