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 design assistance or service, Vandevanter Engineering will strive to meet your needs. Visit or give us a call today to see how we can help with your water or wastewater pumping or treatment needs.




    Terminodour™ positive pressure ionisation systems treats the inlet air to the building or structure. The Introduction of ionised air results in effective odour abatement within the structure ensuring compliant discharge to atmosphere, with the additional benefit of producing superior indoor air quality, which reduces corrosion and provides a safer . . .

  • 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