Vandevanter Engineering

Welcome to Vandevanter Engineering a Cogent Company. The area’s leader in the sales and service of water and wastewater treatment equipment and pumping systems. For over 60 years, we have dedicated ourselves to providing the most creative and innovative water and wastewater treatment and conveyance solutions to municipalities. Whether it be anything from design assistance before the sale to service after the sale Vandevanter Engineering will strive to meet the needs of our customers. Visit or give us a call today to see how we can help with your water or wastewater pumping or treatment needs.



  • New Location

    Vandevanter has moved to a new state of the art facility!

    Follow the link for directions to our new location at 1550 Larkin Williams Rd. in Fenton . . .


St. Louis, MO

1550 Larkin Williams Rd.
Fenton, MO 63026

636-343-8880 Main
636-343-1720 Fax
Decatur, IL

1510 E. McBride Avenue,
Suite C
Decatur, IL 62526

217-650-7404 Main
217-428-5694 Fax
Calvert City, KY

5477 Gilbertsville Hwy
Calvert City, KY 42029

270-395-4942 Main
270-395-4943 Fax