Business Details
43 Years
experience
Your Trusted Partner for Civil Engineering Solutions
Established in 1983, Lewis Yockey & Brown has built a reputation as a trusted civil engineering and land surveying firm serving Central Illinois. Our team of licensed professionals brings over four decades of combined experience to municipal, private, and public sector projects. We specialize in land development, transportation infrastructure, stormwater management, wastewater solutions, and environmental services, prioritizing compliance with local and state regulations. Our locally owned and operated business maintains prequalification with the Illinois Department of Transportation and the Illinois Capital Development Board, ensuring adherence to rigorous industry standards. By focusing on strategic planning, innovative design, and efficient project execution, we deliver tailored solutions that address the unique needs of each client. Our commitment to quality is reflected in our long-standing relationships with municipalities, where we serve as City/Village Engineers, and our track record of successful land development projects within 100 miles of our offices.We emphasize transparency, technical expertise, and community-focused outcomes, ensuring projects meet both regulatory requirements and client expectations. With a dedicated staff trained in the latest engineering methodologies, we provide end-to-end support from initial consultation to construction oversight. Our familiarity with regional infrastructure challenges allows us to optimize designs for cost-effectiveness and sustainability. For every project, whether large-scale municipal work or individual site plans, we prioritize clear communication and proactive problem-solving to ensure timely completion and client satisfaction.
Services
Land Development
Land Surveying
Municipal Services
Transportation Planning
Stormwater Management
Wastewater Solutions
Environmental Services
Water Supply Systems
Site Planning
Infrastructure Design
Details
- Year established: 1983
Highlights and features
- We offer 40+ years of civil engineering experience in Central Illinois
- Our team includes licensed professionals prequalified by state agencies
- We specialize in municipal infrastructure and regulatory compliance
- Our local expertise ensures efficient project permitting and execution
- We provide end-to-end engineering services from planning to construction
Associations and certifications
- Illinois Department of Transportation
- Illinois Capital Development Board
Services
Land Development
We design residential subdivisions, commercial developments, and planned unit developments that comply with local regulations. Our engineers analyze site conditions to identify cost savings and potential issues while ensuring code compliance. Services include site planning, drainage analysis, and infrastructure design for projects ranging from single-lot developments to large-scale communities.
Municipal Services
As City/Village Engineers for multiple Central Illinois municipalities, we provide infrastructure planning and regulatory oversight. Our services include preparing street maintenance plans, conducting utility system analyses, and managing grant applications. We help municipalities evaluate existing infrastructure and develop phased improvement plans to support community growth and regulatory compliance.
Stormwater Management
Our team designs comprehensive stormwater systems including detention basins, culverts, and biofiltration areas. We conduct hydraulic analyses to prevent downstream flooding and create erosion control plans that meet NPDES permit requirements. Services include storm sewer design, floodplain modeling, and development of Storm Water Pollution Prevention Plans for construction sites.
Transportation Planning
We provide full-service transportation engineering for state highways, municipal roads, and pedestrian pathways. Our services include traffic studies, intersection design, pavement engineering, and construction inspection. We work with IDOT and local governments to develop safe, efficient transportation networks that accommodate current and future traffic demands in Central Illinois.
Environmental Services
Our environmental team conducts Phase I Environmental Site Assessments and develops compliance strategies for regulatory programs. We specialize in wastewater treatment planning, stormwater pollution prevention, and environmental remediation. Services include permit acquisition assistance, regulatory reporting, and development of long-term environmental management plans for public and private sector clients.
Questions
What civil engineering services do you offer?
We provide land development, transportation planning, stormwater management, wastewater solutions, and municipal engineering services for public and private sector clients in Central Illinois.
How long have you served Central Illinois communities?
Since 1983, we've provided engineering services to municipalities and private developers throughout Central Illinois, with over 40 years of combined experience among our professional staff.
Are you qualified for state-funded projects?
Yes, we're prequalified with the Illinois Department of Transportation and the Illinois Capital Development Board for engineering services on state-funded infrastructure projects.
Do you handle regulatory compliance for developments?
Our team ensures all projects meet local, state, and federal regulations, including preparing permit applications and developing stormwater pollution prevention plans.
What municipal engineering support do you provide?
We serve as City/Village Engineers for multiple municipalities, offering infrastructure planning, utility system analysis, grant application assistance, and regulatory compliance services.
How do you approach land development projects?
We collaborate with developers to analyze site conditions, identify cost savings, and create code-compliant designs for residential, commercial, and mixed-use developments throughout Central Illinois.
