Construction started April 2018 and will continue through the spring of 2022.
The following activities will be occurring over the next 2 months

Nov - Dec

2019

  • Installation of interior process mechanical equipment and piping.

  • Structural backfill of wastewater treatment buildings

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Installation of building masonry

  • Installation of precast concrete and structural metals

Previous activities

Sept - Oct

2019

  • Installation of interior process mechanical equipment and piping.

  • Excavations for new wastewater treatment basins, including rock excavation

  • Structural backfill of wastewater treatment buildings

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Drilled piers

  • Installation of building masonry

Previous activities

Aug - Sept

2019

  • Installation of interior process mechanical equipment and piping.

  • Excavations for new wastewater treatment basins, including rock excavation

  • Structural backfill of wastewater treatment buildings

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Drilled piers

  • Installation of building masonry

Previous activities

July - Aug

2019

  • Installation of interior process mechanical equipment and piping

  • Excavations for new wastewater treatment basins, including rock excavation

  • Structural backfill of wastewater treatment buildings

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Drilled piers

Previous activities

Jun-July

2019

  • Excavations for new wastewater treatment basins, including rock excavation

  • Structural backfill of wastewater treatment buildings

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Drilled piers

Previous activities

May - June

2019

  • Excavations for new wastewater treatment basins, including rock excavation

  • Structural backfill of wastewater treatment buildings

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Drilled piers

Previous activities

Apr - May

2019

  • Excavations for new wastewater treatment basins, including rock excavation

  • Structural backfill of wastewater treatment buildings

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Drilled Piers

  • Truck hauling of soils offsite

Previous activities

Mar - Apr

2019

  • Excavations for new wastewater treatment basins, including rock excavation

  • Demolition of existing wastewater treatment structures

  • Structural backfill of wastewater treatment buildings

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Drilled piers

  • Truck hauling of soils offsite

  • Tower Crane Mobilization​

    • Tower Crane #3: March 2019

Previous activities

Feb - Mar

2019

  • Excavations for new wastewater treatment basins, including rock excavation

  • Demolition of existing wastewater treatment structures

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Drilled Piers

  • Truck hauling of soils offsite

  • Tower Crane Mobilization:

    • Tower Crane #3: February 2019

Previous activities

Dec - Jan

2018

  • Excavations for new wastewater treatment basins, including rock excavation

  • Demolition of existing wastewater treatment structures

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Drilled Piers

  • Tower Crane Mobilization:

    • Tower Crane #1: November 2018

    • Tower Crane #2: December 2018

    • Tower Crane #3: January 2019

Previous activities

Nov - Dec

2018

  • Excavations for new wastewater treatment basins, including rock excavation

  • Demolition of existing wastewater treatment structures

  • Process and electrical underground utilities

  • Structural concrete for wastewater treatment basins

  • Drilled Piers

  • Tower crane mobilization:

    • Tower Crane #1: November 2018

    • Tower Crane #2: December 2018

    • Tower Crane #3: January 2019

Previous activities

Oct - Nov

2018

  • Installation of new traffic signal at Lee Blvd. & Mission

  • Excavations for new wastewater treatment basins, including rock excavation

  • Demolition of existing wastewater treatment structures

  • Process underground utilities

  • Structural concrete for wastewater treatment basins

  • Tower Crane Mobilization:

    • Tower Crane #1: November 2018

    • Tower Crane #2: December 2018

    • Tower Crane #3: January 2019

Previous activities

Sept - Oct

2018

  • Excavations for new wastewater treatment basins, including rock excavation

  • Demolition of existing wastewater treatment structures

  • Process underground utilities

  • Structural concrete for wastewater treatment basins

  • Completion of the Overflow Channel

  • Construction of the Trailer Complex

  • Installation of new traffic signal at Lee Blvd & Mission

Previous activities

Aug - Sept

2018

  • Excavations for new wastewater treatment basins

  • Demolition of existing wastewater treatment structures

  • Process underground utilities

  • Structural concrete for wastewater treatment basins

  • Completion of the Overflow Channel and install of temporary seeding

  • Secondary entrance installation along Lee Blvd

  • Use of soccer fields north of Lee Blvd for construction storage and laydown

Previous Activitiess 

July - Aug

2018

  • Excavations for new wastewater treatment basins

  • Demolition of existing wastewater treatment structures

  • New process underground utilities

  • Structural Concrete for wastewater treatment basins

  • Finalizing decommissioning of Facility.  Close attention will be paid to demolishing structures in order to minimize odors. 

Previous Activities

June - July

2018

  • Utility relocations

  • Earthwork & Excavations

  • Decommissioning of existing plant

  • Demolition

  • Yard Piping

  • Structural Concrete

Previous Activities

May - June

2018

  • Site Fencing

  • Utility relocations

  • Earthwork

  • Demolition

  • Decommissioning of existing plant

  • 24/7 Bypass pumping to occur the week of May 14th

Previous Activities

April - May

2018

  • Site Fencing

  • Utility relocations

  • Clear and Grub

  • Earthwork

  • Demolition

  • Decommissioning of existing plant

Groundbreaking Celebration

Thursday

April 12, 2018

For more information go to press release.

Project information/schedule will be updated with information throughout construction.
Check back for updates.

© 2018 Johnson County Wastewater

Tomahawk Creek Wastewater Treatment Facility Expansion Project email & information line: