Business Details
19 Years
experience
Solid Waste Engineering Experts
Founded in 2007, SWT Engineering has established itself as a trusted provider of engineering and environmental consulting services specializing in solid waste management. Our team combines over 70 years of collective industry experience to deliver cost-effective solutions that meet regulatory requirements while prioritizing client needs. We maintain offices in Northern and Southern California, Montana, and Washington, enabling us to accommodate workload variations without compromising quality or timeliness. Our proven track record includes successful completion of over 60 liner design projects and 44 closure projects since 1993, supported by deep relationships with regulatory agencies and industry partners.We specialize in navigating complex permitting processes, including Solid Waste Facility Permits and California Environmental Quality Act compliance, while maintaining a commitment to technical excellence and client satisfaction. Our expertise extends to groundwater protection systems, stormwater management, and construction oversight, ensuring projects meet both environmental standards and operational goals. With a focus on innovation and practical solutions, we serve public and private sector clients across the western United States, maintaining a reputation built on 13 years of demonstrated success in solid waste engineering services.
Services
Solid Waste Management
Permitting Compliance
Construction Management
Groundwater Protection
Stormwater Management
Landfill Design
Closure Projects
Environmental Consulting
Details
- Year established: 2007
Highlights and features
- We have 13 years of specialized experience in solid waste engineering services
- Our team has completed 60+ liner design projects since 1993
- We maintain offices in four western states for regional expertise
- Proven success with complex permitting including CEQA compliance
- Specialize in groundwater protection and stormwater management systems
What people say
Clear, concise plans
High quality product
Professional staff
Cost effective solutions
Timely delivery
Services
Solid Waste Management
We provide comprehensive solid waste management services including landfill design, permitting compliance, and construction oversight. Our expertise covers groundwater protection systems and stormwater management for municipal and industrial clients. With over 70 years of combined experience, we deliver cost-effective solutions that meet regulatory requirements while ensuring environmental protection.
Permitting Compliance
Our permitting specialists handle complex regulatory processes including Solid Waste Facility Permits and California Environmental Quality Act compliance. We prepare technical documents and coordinate with agencies to ensure timely approvals. Our track record includes successful submissions for over 60 landfill projects across the western United States since 1993.
Construction Management
We offer full-cycle construction management services with quality assurance oversight for landfill projects. Our team provides engineering support from design through agency approval, ensuring specifications are met while maintaining cost efficiency. We've successfully completed 44 closure projects and multiple ancillary facility constructions.
Groundwater Protection
Our groundwater protection systems include liner design and leachate control solutions. We design and implement comprehensive protection measures that separate landforms from groundwater while meeting regulatory standards. Our engineers have prepared design reports and construction documents for over 60 projects since 1993.
Stormwater Management
We design and implement stormwater management systems including basins, channels, and pollution prevention plans. Our solutions integrate with landfill operations while ensuring compliance with environmental regulations. We've completed stormwater projects at major facilities like Frank R. Bowerman Landfill and Mid-Valley Sanitary Landfill.
People
Michael Salley
CEO
With extensive industry knowledge, Michael leads International Lining Technology and recognizes SWT Engineering's expertise in landfill design and construction. He values their collaborative approach and technical proficiency.
Lochlin Caffey
Project Manager
As Republic Services' project manager, Lochlin has collaborated with SWT on multiple projects including permit reviews and closure construction documents. He appreciates their professionalism and technical skill.
David Grattan
President
David, head of Sukut Construction's environmental division, recommends SWT Engineering for their clear, equitable project plans that benefit both clients and contractors through quality engineering solutions.
Questions
What areas does SWT Engineering serve?
We operate across the western United States with offices in California, Montana, and Washington.
What types of landfill projects do you handle?
We manage design, permitting, and construction for municipal and industrial landfills including closures and expansions.
How experienced is your team?
Our principals have 70+ combined years in solid waste management with 60+ completed projects since 1993.
What permitting services do you offer?
We handle Solid Waste Facility Permits, CEQA compliance, and various state and local regulatory submissions.
Do you provide construction oversight?
Yes, we offer full-cycle construction management with quality assurance for landfill projects.
