UNSPSC 71121603: Well casing milling services

Services to cut casing while in the wellbore.

UNSPSC 71121603 Well casing milling services is a Commodity code that spans drilling, plugging, and restoration work on water supply, irrigation, and orphan oil and gas wells—a scope that extends well beyond the narrow "milling" language in the code name. State and local governments procure well construction, replacement, rehabilitation, video survey, casing repair, and complete well abandonment services under this code across water utilities, parks departments, corrections facilities, state environmental agencies, and county service districts. The issuing bodies include cities, counties, state departments of environmental quality and natural resources, transit authorities, and special-purpose water districts. Recent solicitations show strong activity from Michigan's Department of Environment, Great Lakes, and Energy on federally funded orphan well plugging; the Mississippi Oil and Gas Board on well remediation; Florida cities and counties on water well replacement and irrigation improvements; and Georgia municipalities on new deep wells and rehabilitation. Geographic spread concentrates in Michigan, Mississippi, Georgia, Florida, and Texas, with sustained activity across the Midwest, South, and Southwest. Representative recent opportunities include the Michigan Department of Environment, Great Lakes, and Energy's Gilbert Orphan Well Plugging project (Kent County)—a prequalified, direct-solicitation RFQ due October 12, 2026, for plugging, drilling, re-drilling, and site restoration at a single well in a lake; the City of Albany, Georgia's sealed-bid solicitation (due November 16, 2026) for comprehensive Well No. 21 rehabilitation services; the Mississippi Oil and Gas Board's IFB for plugging and remediation of nine orphaned oil and gas wells in Jasper and Jones Counties (due December 18, 2026, with mandatory pre-bid site inspection October 22, 2026); and the City of Wrens, Georgia's competitive bid for Well #107 construction (due September 3, 2026), funded through a State Revolving Fund loan and subject to Build America, Buy America Act requirements.

Recent opportunities show strong federal funding influence—Infrastructure Investment and Jobs Act orphan well programs and State Revolving Fund loans drive procurement volume—and consistent Davis-Bacon prevailing wage and American Iron and Steel/Build America, Buy America Act compliance mandates across state and local projects. Prequalification vehicles and closed-competition restricted-vendor pools (particularly Michigan EGLE's RFP-based award processes) control access to significant well plugging work. Contract values range from $50,000 (well abandonment services in Sarasota County) to $5.4 million (five-year Hillsborough County Wet Well Wizard aeration and maintenance contract). Most water well construction and replacement work is open competitive procurement awarded on lowest responsive and responsible bid; orphan well plugging often uses best-value evaluation with technical scoring (25 points each for key personnel, equipment, experience, and vendor questions) and a minimum 80-point threshold for award eligibility. Set-asides appear sporadically—small-business set-asides in Illinois Department of Corrections well surveys, M/WBE encouragement in Mississippi, Michigan, and Florida procurements, and geographically disadvantaged business enterprise consideration in Michigan. Emergency response and 24-hour availability requirements appear in on-call well maintenance contracts (San Bernardino County, Hillsborough County, Seminole County). The code shows sustained quarterly activity and represents a pursued segment for contractors holding relevant licensing (Florida FDEP water well contractor licenses, State of Colorado drilling certificates, California contractor classes C57 and C61), Davis-Bacon compliance experience, and emergency repair capacity.