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Business Details
39 Years
experience
Trusted Engineering & Surveying Services in Ottawa, IL
At Etscheid Duttlinger & Associates, we bring over 30 years of specialized expertise in civil engineering, land surveying, and planning to every project we undertake. Founded in 1987, our firm operates from offices in Ottawa, Illinois, and Raleigh, North Carolina, serving municipalities, developers, contractors, and individual property owners across Illinois and beyond. Our team of licensed professionals holds certifications in multiple states, ensuring compliance with local regulations while delivering efficient, cost-effective solutions tailored to each client's unique needs. We specialize in managing complex projects from concept to completion, including subdivision developments, stormwater management systems, roadway reconstruction, and floodplain relocation. Our commitment to quality is reflected in our extensive experience with municipal infrastructure, commercial site design, and environmental reviews, as well as our ability to coordinate permits and secure funding resources.

With a focus on timeliness and precision, we provide ALTA/NSPS land title surveys, boundary and topographic surveys, and FEMA elevation certificates, among other critical services. Our leadership team includes Professional Engineers and Land Surveyors licensed in over a dozen states, ensuring deep technical knowledge and regulatory familiarity. We pride ourselves on maintaining long-term relationships with clients by consistently exceeding expectations through technical excellence and personalized service. Our dual-office structure allows us to combine local market knowledge with broader regional expertise, making us a trusted partner for both small-scale and large-scale projects. From initial planning to final execution, we remain dedicated to advancing our clients' goals through innovative engineering solutions and unwavering attention to detail.
Services
Civil Engineering Land Surveying Land Planning Subdivisions Site Development Stormwater Management Roadway Design Floodplain Relocation ALTA Surveys Boundary Surveys
Details
  • Year established: 1987
Highlights and features
  • We offer 30+ years of civil engineering and surveying experience in Illinois and beyond.
  • Our team includes licensed professionals in 13+ states, ensuring regulatory expertise.
  • We specialize in securing permits and funding resources for complex projects.
  • We provide full-service engineering from initial planning to final execution.
  • Our dual-office presence combines local knowledge with regional technical capabilities.
Services
Civil Engineering
Our civil engineering services encompass municipal infrastructure, commercial site design, and subdivision developments. We specialize in water and wastewater treatment systems, roadway reconstruction, and stormwater management solutions. With expertise in regulatory compliance and funding acquisition, we deliver projects that meet technical, environmental, and budgetary requirements.
Land Surveying
We provide ALTA/NSPS land title surveys, boundary and topographic surveys, and floodplain mapping. Our team conducts construction layout, wetland locating, and FEMA elevation certifications, ensuring precise data for development and compliance. Services support residential, commercial, and municipal projects across Illinois and beyond.
Stormwater Management
Our stormwater management solutions include detention design, flood studies, and stream stabilization. We create master plans and infrastructure systems to mitigate flooding risks while meeting regulatory standards. Services integrate with roadway and site development projects for comprehensive water management.
Subdivision Developments
We manage subdivision projects from initial planning to final platting, including zoning compliance and utility mapping. Our team coordinates with local governments to secure permits and infrastructure funding, ensuring efficient development of residential and commercial land parcels.
Roadway Design
Our roadway design services cover street reconstruction, resurfacing, and truck route upgrades. We incorporate curb and gutter systems, pedestrian crosswalks, and storm sewer integration. Projects prioritize safety, durability, and compliance with municipal and state transportation standards.
People
Thomas A. Duttlinger
Professional Engineer & Land Surveyor
Licensed in 13 states, Thomas leads engineering and surveying projects with expertise in municipal infrastructure and regulatory compliance. He oversees technical execution and client coordination for complex developments.
Michael A. Etscheid
Professional Engineer & Land Surveyor
Michael directs civil engineering operations, focusing on subdivision design and water distribution systems. His dual licensing in Illinois and North Carolina supports regional project execution and technical oversight.
Rachel M. Schneider
Professional Engineer & Certified Floodplain Manager
Rachel specializes in floodplain management and stormwater solutions. As a certified floodplain manager, she leads flood studies and mitigation projects, ensuring compliance with federal and state regulations.
Jeffery S. Etscheid
Land Surveyor
Jeffery manages land surveying operations, conducting boundary surveys and construction layout. His expertise in Illinois and North Carolina supports accurate data collection for residential and commercial developments.
Questions
What engineering services does EDA offer?
EDA provides civil engineering services including municipal infrastructure, subdivision design, stormwater management, roadway projects, and water/wastewater systems.
Do you provide land surveying services?
Yes, we offer ALTA/NSPS surveys, boundary/topographic surveys, floodplain mapping, and construction layout for residential and commercial projects.
Which areas do you serve?
We primarily serve Ottawa, Illinois, and surrounding communities, with project experience across Illinois and North Carolina.
Can you help secure project funding?
Yes, we assist clients in identifying and obtaining funding resources, including tax increment financing (TIF) district programs.
What are your office hours?
Our offices are open Monday through Friday from 8:00 AM to 5:00 PM Central Time.