# Texas DIR/ESBD #NO.27-06

N.B. Davidson Wastewater Treatment Plant Expansion and Improvements

**Posted:** October 21, 2026
**Respond By:** December 17, 2026
**Identifier:** NO.27-06
**NAICS:** 237110, 236220, 238210, 238220, 238910

The City of Huntsville is seeking a construction contractor to expand and upgrade the N.B. Davidson Wastewater Treatment Plant.
- **Government buyer:** City of Huntsville, Texas; City Secretary.
- **Project:** N.B. Davidson WWTP Expansion and Improvements, Project #21-10-07, Bid #27-06.
- **Scope:** Construction and improvements covering the Elkins Lake Dam lift station, 18-inch rehabilitation, access roads, new headworks, sequencing batch reactors, and an elevated operations building.
  - Treatment systems include pumps, disk filters, UV disinfection, a non-potable water system, sludge digestion and dewatering, and emergency generators.
  - Associated work includes SCADA, electrical distribution, site work, demolition, and incidental improvements.
- **Notable requirements:** Complete the work within 900 calendar days after the date specified in the Notice to Proceed. No specific OEMs, equipment manufacturers, or product part numbers are identified.
- **Named firm:** Lockwood, Andrews & Newnam, Inc. is identified as a location for examining contract documents; it is not identified as a bidder or supplier.

### Description

The City of Huntsville is seeking sealed bids for the N.B. Davidson WWTP Expansion and Improvements Project, Project #21-10-07, Bid #27-06. Work includes wastewater treatment plant expansion and improvements such as lift station and access road upgrades, new headworks, sequencing batch reactors, an elevated operations building, filtration and disinfection systems, sludge processing modifications, emergency generators, SCADA, electrical distribution, site work, and demolition. The work is to be completed within 900 calendar days from the date in the Notice to Proceed. A non-mandatory pre-bid conference is scheduled for November 4, 2026, and bids are due December 17, 2026, at 2:00 p.m. Central Time.

[View original listing](https://www.txsmartbuy.gov/esbd/NO.27-06)