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County of Inyo, CA·California

Landfill Engineering and Environmental Consulting Services for Regulatory Mandated Projects

Closes 5/22/2026$2.5M – $10MRequest for Proposal
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Description

The County of Inyo is seeking a qualified firm to provide landfill engineering and environmental consulting services for various regulatory and mandated projects. The scope of work includes providing on-call structural, geological, hydrogeological, geotechnical, surveying, and support services, as well as designing landfill modules and covers, landfill gas collection and control systems, and groundwater remediation systems. The selected firm will also be responsible for evaluating monitoring programs, conducting engineering feasibility studies, and implementing corrective action programs. The contract term is expected to be from July 1, 2026 to June 30, 2031. • Landfill module and cover design • Landfill gas collection and control system design • Groundwater remediation system design • Evaluation monitoring program design and implementation • Engineering feasibility studies • Corrective action program design and implementation • Remediation system(s) efficacy studies • Landfill tipping fee studies and implementation • Landfill-specific regulatory document preparation, revision, and review • Various regulatory agency reports required as a result of regulations, studies, orders, or violations

Attached files

The solicitation documents live at the source — open the bid source above to download them.

Contact

Richard Shore(Compliance & Project Manager)

[email protected]

(760) 937-3480

Key dates

Opened
4/30/2026
Questions due
5/8/2026
Closes
5/22/2026
Duration
5 years

Last updated

Details

Type
Request for Proposal
Industry
Environmental Services
NAICS
541620
Solicitation №
2025-RFP-S-0078

Budget estimate

$2,500,000 – $10,000,000

The budget for this opportunity is difficult to estimate as the contract value is not specified in the document. However, based on the scope of work and the contract term, it is likely that the budget will be in the range of $500,000 to $2 million per year, depending on the level of services required by the County. The total budget for the 5-year contract term could be between $2.5 million and $10 million. The factors that may influence the likely payment range include the level of expertise required, the complexity of the projects, and the number of services required by the County.

AI estimate from the solicitation

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