Septic Tank Pumping and Disposal Services

The California Department of Transportation (Caltrans) has issued Invitation for Bid (IFB) #01A6565 for Septic Tank Pumping and Disposal Services across Mendocino, Humboldt, Del Norte, and Trinity Counties. The procurement seeks a contractor to provide comprehensive on-call routine and non-routine septic tank pumping and disposal services for various Caltrans locations, including maintenance stations and safety roadside rest areas. Services must be performed Monday through Friday from 7:30 a.m. to 4:00 p.m. for routine services, with non-routine services available 24 hours per day, seven days per week. The contract will cover pumping services for septic tanks ranging from 1,200 to 63,000 gallons, with specific unit pricing established for different service volumes. Bidders must possess a valid Motor Carrier Permit from the California Department of Motor Vehicles and be registered with the Department of Industrial Relations. Key procurement dates include August 25, 2025, as the deadline for written questions, with final bid submissions due by September 2, 2025, at 2:00 p.m. The proposed contract term spans from January 1, 2026, to December 31, 2028.

Caltrans has established a 25% Small Business (SB) participation goal, actively encouraging certified Small Businesses and Micro Businesses to submit bids. While a Disabled Veteran Business Enterprise (DVBE) participation requirement is not mandatory, DVBE participation is encouraged, and a DVBE incentive will be applied to this IFB. Prevailing wage requirements will be in effect if the total bid amount exceeds $15,000. The contract will be awarded to the lowest responsible bidder meeting all specified requirements, with a focus on supporting diverse business participation. Potential bidders should note that the procurement emphasizes not just cost, but also the ability to meet technical specifications, demonstrate relevant experience, and contribute to small business economic opportunities. The contract's comprehensive nature requires vendors to furnish all necessary labor, equipment, tools, materials, parts, supplies, permits, travel, transportation, and incidental services required for effective septic tank management across the specified California counties.