CIVIL ENGINEERING / LAND SURVEYING / LANDSCAPE ARCHITECTURE
Nilles Associates, Inc. was established in 1996 in Ankeny, Iowa. We have grown from a small land surveying firm to a full-service civil engineering, land surveying and landscape architecture firm serving a wide range of private and public clients. We strive to make a positive difference to the clients and communities we serve, from the project planning stage through design, contract administration and construction.
Under the direction of John P. Nilles, PE & PLS, the company has become a leader in municipal engineering, land development, stormwater resources design, and master planning. We have provided innovative designs for projects large and small throughout the Des Moines metropolitan area and throughout the state of Iowa.
SERVICES

Civil Engineering
We develop common sense engineering solutions that are economical, sustainable, and constructable. We listen and have experienced staff to provide expert consultation.

Land Surveying
The key to successful land development and construction projects is clear, concise communication. Our surveyors have years of experience and utilize the latest technology.

Landscape Architecture
Whether your project is a large multi-purpose public facility or a smaller private planting design, we want to honor your vision for your unique outdoor space.

Site Design + Land Development
Land development with quality site design lays the foundation for building, park amenities, trails, and roadways. We are a full-service consulting firm.

Stormwater Resources
New construction or retrofit, we take great pride in being at the forefront of low-impact design and application of new storm water practices and products.

Traffic + Transportation
Our experienced staff always keep in mind the ultimate goal – the safe and efficient movement of pedestrians and vehicles. We ensure quality construction throughout.

Wastewater
We specialize in collection, transportation, treatment, and disposal for projects from simple on-site residential systems to large-scale municipal systems.

Potable Water
The growing demand for clean water poses new challenges for our communities. We provide a range of services including exploration, treatment, and distribution.