The City of Higginsville is advancing a major wastewater infrastructure improvement to modernize its system, meet regulatory requirements, and support long-term growth. Pump stations play a critical role in ensuring wastewater is conveyed efficiently to centralized treatment facilities, and this project highlights how pump station infrastructure supports overall system performance.
This project replaces four existing lagoon wastewater treatment facilities with a single, centralized mechanical wastewater treatment plant (WWTP) at the South Lagoon site, supported by coordinated pump station infrastructure.
Pump Stations in Modern Wastewater Systems
In wastewater systems, a pump station is used to move flow where gravity alone cannot maintain consistent conveyance. As communities grow or transition to centralized treatment models, pump station infrastructure becomes essential to maintaining reliable system performance.
Modern pump station design supports:
- Controlled movement of wastewater across varying elevations
- Consistent flow into treatment processes
- System reliability during peak or fluctuating conditions
- Integration with mechanical treatment systems like activated sludge
In projects like Higginsville’s, pump station infrastructure is not a standalone feature, it is part of a coordinated system that ensures wastewater reaches the treatment facility efficiently and without disruption. This integration is especially important when consolidating multiple treatment sites into a single location, where dependable conveyance directly impacts overall performance and compliance.
Pump Station Design Considerations in Wastewater Projects
Effective pump station design goes beyond conveying flow, it directly impacts system reliability, operational efficiency, and long-term performance. In wastewater infrastructure projects, pump stations must be carefully designed to accommodate varying flow conditions, maintain consistent system pressure, and integrate seamlessly with treatment processes.
Design considerations often include redundancy for reliability, capacity for peak flow conditions, and flexibility for future system expansion. By incorporating these factors early in the planning and design process, pump station infrastructure can better support overall system resilience and reduce the risk of operational disruptions. In projects like Higginsville’s, these considerations ensure the system performs as intended both now and as future demands increase.
Project Overview
To meet new effluent limitations for ammonia and E. coli established by the Missouri Department of Natural Resources (DNR) and the EPA, Higginsville initiated the transition from lagoon-based treatment to a mechanical system. The existing facilities were unable to meet updated standards, driving the need for a more advanced solution.
The new centralized plant utilizes the Aero-Mod Activated Sludge Treatment System, replacing passive treatment with a controlled mechanical process. This shift requires reliable conveyance throughout the system, where pump station infrastructure plays an essential role in maintaining consistent wastewater flow between collection and treatment.
Why Pump Station Infrastructure Matters in This Project
While the primary focus of the Higginsville project is the treatment plant, pump station infrastructure is critical to making the system function effectively as a whole.
With four separate lagoon systems being consolidated into one location, wastewater must be efficiently conveyed to the new facility. Strategic pump station design supports this transition by:
- Moving wastewater across varying elevations within the system
- Maintaining consistent flow into the headworks and treatment processes
- Supporting system reliability during changing flow conditions
- Enabling centralized treatment without overloading any part of the system
By integrating pump station infrastructure into the overall design, Higginsville is improving both operational control and long-term system performance.
Reliable pump station performance is essential to maintaining consistent treatment operations. By providing controlled and dependable wastewater conveyance, the infrastructure helps reduce the risk of system disruptions, ensures steady flow into critical treatment processes, and supports overall plant efficiency under varying conditions. This level of performance is particularly important in a centralized system, where consistent operation directly impacts compliance and treatment outcomes.
In addition to improving current operations, pump station infrastructure also supports future growth and system capacity. As Higginsville continues to develop, the centralized system, supported by scalable pump station design, can accommodate increased flows without the need for multiple distributed facilities. This positions the City to expand efficiently while maintaining reliable wastewater service for the community.
Construction Progress and Pump Station Integration
A phased approach to the project improvements was selected to maximize grant funding resources and available project financing. Construction of Phase 1, the new WWTP, began in April 2024 . Initial startup of the treatment facility took place in November 2025, and construction was completed in February 2026.
Phase 2 includes the construction of a new pump station and force main located on Business 13 to pump flows from the existing North Lagoon to the new WWTP. Construction of Phase 2 is anticipated to begin in late 2026.
Phase 3 includes the construction of two pump stations located near the I-70 interchange and associated force main to connect the existing I-70 South and I-70 North Lagoons to the new WWTP. Construction of Phase 3 improvements will be initiated upon completion of Phase 2.
As construction advances, coordination between treatment processes and pump station infrastructure remains a key component in preparing the system for full operation.
A Long-Term Investment in Wastewater and Pump Station Infrastructure
The Higginsville wastewater project represents a generational upgrade, from four aging lagoon systems to a single, modern mechanical plant supported by updated pump station infrastructure.
While regulatory compliance was the initial driver, the outcome is a more efficient, maintainable, and scalable system. By integrating modern treatment with reliable pump station design, the City is better equipped to protect water quality, support future growth, and serve its community for years to come.
Ellen Woltjen, PE
Ellen brings strong technical expertise and regulatory experience to every project. At McClure, she specializes in the planning and design of municipal wastewater treatment and collection systems, contributing to projects from initial schematic design through final construction and commissioning. Her responsibilities include developing engineering reports, preparing detailed construction documents, coordinating with multidisciplinary teams, and ensuring compliance with state and federal regulations. She is adept at managing project timelines, communicating with clients and stakeholders, and supporting projects through all phases, including permitting, design, bidding, and construction administration. You can contact Ellen at ewoltjen@mcclurevision.com.
Learn More
Learn more about McClure’s water services or contact us at info@mcclurevision.com.