NIGP 91391: Maintenance and Repair, Wastewater Treatment Plant

NIGP 91391 Maintenance And Repair, Wastewater Treatment Plant is an Item code covering rehabilitation, repair, and operational improvements to wastewater and water treatment facility equipment and infrastructure. State and local governments actively procure under this code for equipment replacement (siphon assemblies, thickener mechanisms, clarifier rakes, pump stations), control system upgrades (SCADA, variable frequency drives, programmable logic controllers), chemical feed system improvements, electrical switchgear replacement, structural repairs (concrete, coatings, piping), and comprehensive facility operations and maintenance services. Recent solicitations show a broad base of issuing bodies including municipal water and wastewater utilities (Town of Manchester Water and Sewer Department, City of DeBary, City of Phoenix, Orange County, Collier County), county utilities departments (Brevard County, Pinellas County, Gwinnett County, Fulton County), independent water authorities (Macon Water Authority, Eastern Municipal Water District), and school districts (DeKalb County School District, Hillsborough County Public Schools). Repeat buyers across the dataset include Pinellas County (multiple switchgear and SCADA projects), Collier County (chemical supply and treatment plant improvements), and Santa Clara County (healthcare facility seismic and utility upgrades).

Geographic activity spans Florida (Manchester, DeBary, Orange County, Collier County, Pinellas County, Brevard County, Daytona Beach, Sanford), Georgia (Athens-Clarke County, DeKalb County, Gwinnett County, Fulton County, Macon, Columbia County, Barrow County), California (Santa Clara County, Phoenix), Arizona, Colorado, South Carolina, and North Carolina. Representative recent opportunities include the Town of Manchester's furnish-and-install inserts for siphons at Globe Hollow Water Treatment Facility (RFP, November 17, 2026 response date); Orange County's East Water Reclamation Facility SCADA Upgrades with Fiber and Control Room project at $14.314 million (IFB, August 31, 2026 response date, with addenda through August 25); Collier County's South County Regional Water Treatment Plant Lime Softening Improvements—Blend Tank project ($4.27 million estimated, IFB, September 21, 2026 response date); City of Phoenix's Advanced Water Purification Pilot Demonstration Facility Construction Manager at Risk services ($20 million estimated construction cost, RFQ, October 23, 2026 qualifications due); and Fulton County's complete operation and maintenance services for Camp Creek Water Reclamation Facility and 20 pump stations over five years plus renewal option (RFP, October 15, 2026 response date). Contract values range from under $500,000 for lift station work and chemical supply to $14.3 million for control systems and $20 million for advanced treatment facilities. Connecticut prevailing wage requirements, New Mexico Public Works Minimum Wage Act, and Davis-Bacon Act compliance appear in solicitations where state or federal funds are involved. Set-asides documented include SBE participation goals in Georgia (Pinellas County), DBE goals in Georgia and Arizona, local-vendor preferences in Florida (Collier County), and New Mexico resident preferences. Activity is steady and geographically distributed, with active procurement cycles running through October 2026 and beyond.