UNSPSC 81101528: Stormwater engineering

The design of stormwater systems for removal of surface water to prevent flooding. Urban areas have many impermeable surfaces which tend to concentrate water. The stormwater systems collect water via channels, culverts, pipes, drainage reserves, settling

UNSPSC 81101528 Stormwater engineering, a Commodity code, encompasses the design, inspection, maintenance, and rehabilitation of stormwater collection, treatment, and conveyance infrastructure—including culverts, detention basins, pump stations, treatment units, and related appurtenances—that state and local governments are actively procuring through mixed delivery models. Recent solicitations show demand for stormwater flow control installation, facility rehabilitation and operations improvement, treatment unit inspection and maintenance, MS4 compliance support, and integrated water-sewer-stormwater master planning and design services.

Issuing bodies across the code span city departments, county public works and water authorities, transit and special-purpose districts, and regional water authorities across multiple states. County and city water or public works agencies appear most frequently as repeat buyers; other common issuers include municipal water districts, regional water and sewer authorities, and special districts like the Central Florida Tourism Oversight District and Gila River Indian Community. Geographic activity concentrates in Florida, Georgia, California, Arizona, and the Carolinas, with additional recent opportunities in Texas, Oregon, Nevada, Rhode Island, and Maryland. Representative recent opportunities include the Gila River Indian Community's District 6 Culvert Modification Project soliciting bids for installation of flow control devices on 24-inch culverts (IFB0643LUPZREBID, due July 31, 2026); West Basin Municipal Water District's on-call professional engineering services covering hydraulic modeling, water quality studies, and treatment facility design across the Los Angeles coastal area (RFPTH0128, proposals due July 14, 2026); Marion County, Florida's Southwest Regional Water Reclamation Facility operations and maintenance improvements including blower and chlorine contact basin work (ITB 26B-103, bids due July 9, 2026); the City of Phoenix's cooling tower water treatment services across multiple facilities (IFB 27-FMD-013, offers due July 29, 2026); and Orange County, Florida's Eastern Regional Water Supply Facility ground storage tank and variable frequency drive improvements (Y26-746, estimated at $11,008,000, sealed bids due June 9, 2026). The code captures both narrowly specialized technical services—such as SCADA system integration and filter media replacement—and broad infrastructure planning and master planning engagements. Set-asides and preferences are common: Native American preference, SBE/MBE/WBE/DBE designations, local vendor preferences, and service-disabled veteran preferences appear across multiple solicitations.