Septic Tank Pumping and Disposal Services in Mendocino, Humboldt, Del Norte and Trinity Counties

Caltrans is seeking a contractor to provide septic tank pumping and disposal services across four Northern California counties: Mendocino, Humboldt, Del Norte, and Trinity. The Invitation for Bid (IFB) requires a qualified vendor to furnish all labor, equipment, tools, materials, and associated services for routine and non-routine septic tank pumping at ten Caltrans locations, including maintenance stations and safety roadside rest areas. Services will be performed Monday through Friday from 7:30 a.m. to 4:00 p.m. for routine services, with 24/7 availability for emergency non-routine services. Bidders must possess a valid Motor Carrier Permit from the California Department of Motor Vehicles and current registration with the Department of Industrial Relations. The contract is estimated to commence on January 1, 2026, and expire on December 31, 2028. Key deadlines include a written question submittal deadline of November 6, 2025, with bids due by 2:00 p.m. on November 18, 2025, and a proposed award date of November 25, 2025. The total estimated service volume is approximately 372,000 gallons, with bid pricing determined on a per-gallon basis for actual quantities of effluent material removed.

The procurement includes several small business and disadvantaged business enterprise opportunities, with a five percent Small Business preference available for certified small and micro businesses, and a five percent Disabled Veteran Business Enterprise (DVBE) incentive for 100% verified DVBE participation. Caltrans has established a twenty-five percent Small Business participation goal for this contract. Contractors must meet comprehensive insurance requirements, including $1,000,000 per occurrence Commercial General Liability, $1,000,000 combined single limit Automobile Liability, statutory Workers' Compensation limits, and $1,000,000 per incident Pollution Liability. The contract allows termination with 30 days' written notice or immediately for cause, and Caltrans reserves the right to reject all bids. While specific award value is not explicitly stated, the bid proposal includes fourteen line items with estimated quantities ranging from 100 to 63,000 gallons across various locations, suggesting a potentially significant contract value based on the volume of services required.