Warrenton

Warrenton board approves bids for expansion to wastewater treatment plant

By Jack Underwood, Staff Writer
Posted 5/21/25

The Warrenton Board of Aldermen approved two bids for professional services with Gonzalez Companies for engineering on wastewater treatment projects totaling just under $400,000 at their May 6 meeting. 

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Warrenton

Warrenton board approves bids for expansion to wastewater treatment plant

Posted

The Warrenton Board of Aldermen approved two bids for professional services with Gonzalez Companies for engineering on wastewater treatment projects totaling just under $400,000 at their May 6 meeting. 

The larger of the two bids was for professional services on the city’s expansion of the wastewater treatment plant and was approved for an amount not to exceed $311,200 over one year of construction. 

City Director of Operations Jon Struckhoff said the wastewater treatment plant improvement project was slated to take two years, and the city planned to renegotiate with Gonzalez for the second year of the project once the first contract was complete. 

“This agreement… includes submittal reviews, on-site services up to 20 hours a week, some other inspections and final walkthroughs,” said Struckhoff. 

The bid was approved 5-0 with Alderman Roger Romaker absent. 

A contract was awarded to KCI Construction for just under $17 million for the expansion of the wastewater treatment plant at the board’s Dec. 17, 2024 meeting. 

That project will increase the plant’s capacity from 3.2 million gallons per day to 4 million gallons per day while modernizing the plant and improving its efficiency, according to previous Record reporting. 

It will also include the replacement of grit chambers at the plant used to separate sediment from water before it moves on to the later stages of the treatment process. The new grit chambers will have a capacity of 12 million gallons per day, well over the plant’s daily capacity. 

Struckhoff said the increase in capacity over the plant’s overall usage was to prepare for future expansions. 

The expansion at the plant will also transition the facility from a wet sludge plant to a dry sludge plant which Struckhoff said will increase the efficiency of the plant and decrease wear and tear on equipment. 

That project is being paid for in part by a $13 million bond issue approved by voters in April 2023, along with $3.2 million in state funds from the Missouri Department of Natural Resources. 

Work started on the expansion earlier this year and the project is expected to be completed by the end of 2027, according to Struckhoff. 

The smaller of the two bids was for professional services on additional work for the new well and storage tank on the south side of the city. Struckhoff said that project had been designed and the city expected to open bids for construction on the project in the coming weeks. 

“This proposal is going to include a little bit of overages of the design of the project and also some construction engineering and inspections and everything for the project,” said Struckhoff. 

That bid was approved 5-0 for $82,500. 

The bids are some of several the city has active with Gonzalez Companies, an engineering firm out of Brentwood. They also approved bids for a study of the city’s water system for $113,000 and for professional services on the replacement of a water main on Sunrise Court for $43,000 at their Feb. 4 meeting.

Warrenton, Wastewater Treatment Bids

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