Contractor Services
This page is for contractors to see what opportunities are upcoming for Johnson County Wastewater Capital Improvements Projects.
Bids will be submitted through the Johnson County IonWave system; for more information on submitting and for a list of Bids and RFPs visit:
Upcoming Construction Bid Opportunities within the next 12-18 months
(updated 2025-06-30)
Nelson Wastewater Treatment Facility Improvements
For more information visit the JCW Nelson website subcontractor page: https://www.jcwnelson.com/subcontractors
OP Stream Crossings and Manhole Replacement
Advert. Date (est)
2026Q1
Const Duration (est)
19 months
Constr.
Range
$1-2M
Project Mgr: Shannon Parks
Scope of Work:
Relocation and installation of approximately 600 LF of 8" gravity sewer near 151st and Conser, stream crossing protection on an existing sanitary sewer between 143rd Street and Eby Street, plus replacement of 26 miscellaneous manholes in the gravity sewer system.
Disciplines:
SEWER: gravity
NCAC Equalization Basin and Solids Thickening Project
Advert. Date (est)
2026Q1
Const Duration (est)
23 months
Constr.
Range
$16-18M
Project Mgr: Ansel Chin
Scope of Work:
Replacement of Intermediate Pump Station (IPS) with an integrated equalization (EQ) tank, odor control, piping from the headworks to the EQ/IPS, and replacement of the existing dissolved air floatation thickener (DAFT) with two smaller DAFT units.
Disciplines:
Electrical, Structural, Mechanical, HVAC, Process Equipment
Middle Basin Asset Renewal Project
Advert. Date (est)
2026Q2
Const Duration (est)
24 months
Constr.
Range
$8.5-9.5M
Project Mgr: Jeena John
Scope of Work:
Asset renewal and operational improvements including solids pumping and grit system improvements, chemical tank and feed system improvements, piping improvements, and electrical and controls improvements.
Disciplines:
Civil, plumbing, electrical, structural
Tomahawk Wastewater Treatment Facility - Process Improvements
Advert. Date (est)
2026Q2
Const Duration (est)
29 months
Constr.
Range
$10-12M
Project Mgr: John Rosson
Scope of Work:
New odor control covers and system, misc process, mixing, and piping improvements.
Disciplines:
Electrical, Structural, HVAC, Pumps, Process Equipment
NOTE: All construction dates and fee estimates are approximate and subject to change; please refer to the final bid documents for the latest information.
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