Business Details
47 Years
experience
Emergency
services
Trusted Civil and Environmental Engineering Services in Santa Rosa
EBA Engineering has been delivering sustainable solutions for civil, environmental, and geologic challenges since 1979. Our multidisciplinary team combines deep technical expertise with regulatory knowledge to address complex engineering needs across California and beyond. With decades of experience in land development, groundwater management, and solid waste engineering, we prioritize client collaboration and regulatory compliance. Our principals actively engage in projects to anticipate issues, reduce costs, and ensure efficient outcomes. Backed by long-standing relationships with over 90% of California counties, we specialize in navigating permitting processes and environmental regulations. Our services span from initial assessments to construction oversight, emphasizing practical, cost-conscious solutions tailored to site-specific conditions.Recognized for our rapid response capabilities and integrated approach, we serve municipalities, developers, and private clients with a focus on sustainable infrastructure. Our team maintains professional licenses in geology, civil engineering, and hydrogeology to uphold technical excellence. Committed to community engagement and industry leadership, we support local initiatives while delivering results-driven engineering services. This combination of experience, regulatory expertise, and client-centric methodology has established us as a trusted partner for complex projects requiring innovative solutions.
Services
Civil Engineering
Environmental Services
Geologic Services
Hydrogeologic Services
Solid Waste Engineering
Stormwater Management
Landfill Design
Groundwater Modeling
Environmental Assessments
Construction Administration
Details
- Year established: 1979
Highlights and features
- We offer 45 years of experience in civil and environmental engineering since 1979
- Our team includes licensed geologists, civil engineers, and hydrogeologists
- We maintain regulatory relationships with 90% of California counties
- We provide integrated services from site assessment to construction oversight
- Our principals actively participate in projects to prevent costly issues
Services
Civil Engineering
Our civil engineering services encompass land development, site planning, and geotechnical evaluations for commercial, industrial, and residential projects. We design grading plans, drainage systems, and utility infrastructure while ensuring compliance with local regulations. Our team provides construction administration and field services to deliver sustainable, site-specific solutions.
Environmental Services
Environmental engineering services include site assessments, hazardous materials management, and regulatory compliance. We specialize in remediation of contaminated properties, groundwater protection, and CEQA/NEPA compliance. Our team handles projects from due diligence through regulatory closure using integrated, science-based approaches.
Geologic Services
Geologic services focus on subsurface investigations using drilling, testing, and geophysical methods. We assess slope stability, seismic risks, and foundation requirements while providing construction support. Our experts mitigate geotechnical risks and ensure safe, economical solutions for infrastructure projects.
Hydrogeologic Services
We offer groundwater modeling, well siting studies, and water supply assessments with over 40 years of experience. Services include aquifer testing, saltwater intrusion analysis, and regulatory compliance for water resources. Our team develops sustainable groundwater management plans and remediation strategies.
Solid Waste Engineering
Solid waste services cover landfill design, closure, and gas management systems. We provide permitting, compliance monitoring, and leachate management solutions. Our expertise includes materials recovery facilities, composting systems, and regulatory reporting for waste management operations.
People
Nazar Eljumaily
President
Leading EBA since 1999, Nazar oversees company operations with a business administration background from UC Davis. Active in community support, he balances corporate leadership with local engagement while maintaining the firm's founding vision.
Damon Morelli
Vice President
With 25+ years in civil engineering, Damon manages complex infrastructure projects across California. A licensed engineer and LEED professional, he specializes in stormwater management and ADA compliance while emphasizing client communication.
David Noren
Vice President
Environmental services manager with 30+ years' experience, David oversees site assessments and regulatory permitting. He holds advanced environmental management credentials and specializes in CEQA compliance, landfill operations, and hazardous waste remediation.
Matthew Earnshaw
Vice President
Senior hydrogeologist with 28 years' experience, Matt supervises groundwater evaluations and remediation projects. Certified in geology and hydrogeology, he specializes in water well permitting and environmental liability assessments across Northern California.
Kevin Coker
Senior Environmental Scientist
With 24 years in environmental compliance, Kevin manages CEQA/NEPA documentation and site assessments. He has completed 200+ Phase I ESAs and specializes in regulatory permitting and natural resources management for public and private sector clients.
Questions
What does EBA stand for?
EBA stands for Eljumaily-Butler Associates, the original name when founded in 1982. It was shortened in 1989.
How long have you operated in Santa Rosa?
We've been based in Santa Rosa for 45 years, with our parent company established 58 years ago.
What client types do you serve?
We work with municipalities, developers, water companies, contractors, tribal organizations, and nonprofits.
What professional licenses do your staff hold?
Our team includes Professional Geologists, Civil Engineers, Hydrogeologists, Surveyors, and Stormwater Practitioners.
Where do you provide services?
Primarily Northern California, with capabilities statewide, nationally, and internationally.
