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Potential Future Projects

These projects are included in JCW’s Integrated Plan and Capital Improvements Plan. The final scope, schedule, and budget for the projects may vary and are subject to approval by the Johnson County Board of County Commissioners. 

Middle Basin WWTF Digestion and Solids Improvements

WWTF-DouglasLSmithMiddleBasin.jpg

The Solids Treatment Conceptual Facility Plan for Middle Basin WWTF was completed by CDM Smith in October 2025. This Facility Plan identified multiple process areas that need improvement and prioritized them as High, Med-High, Medium, Med-Low and Low. The projects categorized as High, Med-High and Medium will be considered for the scope of this project and are summarized below:

 

  1. Digestor gas piping to flares

  2. New digested sludge storage tank 

  3. New support building for electrical gear and boiler room

  4. Convert secondary digester 2 to primary digester 

  5. Rehabilitate existing digesters 1, 3, & 4 

  6. Rehabilitate Digester Bldg.# 4 

  7. New solids processing forcemains 

  8. New two-story Dewatering Bldg. with three centrifuges and loading bay 

  9. Bldg.# 2 Modifications

  10. Centrate Equalization

  11. Site pavement and improvement

 

The facility plan also recommended collaborative delivery, preferably construction-manager-at-risk; this is pending Board review and approval.

  • The Solids Treatment Facility Plan is available for download CLICK HERE

  • The Solids Treatment Facility Plan prioritization table is available for download CLICK HERE

  • The 2023 Facility Plan for the entire WWTF is available for download CLICK HERE

Brush Creek Pump Station Improvements Project

PS-Brush-Creek.jpg

The Brush Creek pump station preliminary engineering report (PER) was originally completed by HDR in August 2022 and updated in 2026 to incorporate the current wet weather forcemain plan, project cost estimate, and schedule. The PER determined that the pump station will need to be replaced and will have:

  1. Influent screening

  2. Sized for dry weather and wet weather conditions

  3. Installation of dry weather submersible pumps

  4. Odor control

  5. Electrical and control room

  6. Site work and landscaping

 

The pump station is located by a city park in a residential area. Community outreach and close coordination with the City will be important.  

 

It is JCW’s desire to use collaborative delivery, preferably progressive design-build; this is pending Board review and approval.

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