Nilles Associates, Inc.

Civil engineering, land surveying, and landscape architecture in Iowa

Website

About the firm

Nilles Associates, Inc. is an Iowa-based provider of civil engineering, land surveying, and landscape architecture services established in 1996 in Ankeny. Founded as a small land surveying practice, the organization has grown under the direction of John P. Nilles, PE & PLS into a key regional resource for municipal engineering, land development, stormwater design, and master planning. It serves a balanced portfolio of private and public clients, including municipalities, counties, state agencies, schools, developers, and homeowner associations, throughout the Des Moines metropolitan area and across Iowa, from project planning through design, contract administration, and construction.

Established
1996
Team
Small
Firm type
Civil Engineering · Land Surveying · Landscape Architecture · Water / Wastewater Engineering

People

John P. NillesOwner / Principal

Capabilities

Civil Engineering

Service website

Economical, sustainable, and constructable engineering solutions are developed to meet project goals, schedules, and budgets through close collaboration from planning through construction.

  • Construction staking
  • Construction observation

Land Surveying

Service website

Accurate measurement and mapping support land development and construction projects, leveraging advanced tools to deliver clear and concise communication.

Landscape Architecture

Service website

Designs for outdoor spaces range from large multi-purpose public facilities to smaller private planting projects, honoring the design vision and complementing civil engineering efforts.

Site Design and Land Development

Service website

Planning and site layout solutions lay the foundation for buildings, park amenities, trails, and roadways, supporting both public and private sectors.

  • Site feasibility evaluation
  • Permitting and compliance
  • Master plans and conceptual layout drawings
  • Detailed grading, paving, and utility design
  • Lighting design
  • Conservation and low-impact design (LID)
  • Stormwater design and analysis
  • Construction documents, administration, and observation
  • Subdivision planning and platting
  • Comprehensive planning and zoning compliance
  • Right-of-way and acquisition assistance
  • City engineering services
  • Capital improvement planning
  • Grant and loan application and administration
  • Utility rate studies

Stormwater Resources

Service website

Low-impact systems and current management products are applied across new construction and retrofit projects to address complex watershed demands.

Traffic and Transportation

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Engineering options focus on the safe and efficient movement of pedestrians and vehicles, ensuring high standards from design through construction completion.

Wastewater

Service website

Collection, conveyance, treatment, and disposal systems are designed for applications ranging from simple on-site setups to large municipal facilities.

  • Collection systems
  • Transportation and conveyance
  • Treatment facilities
  • Disposal systems

Potable Water

Service website

Clean water solutions address growing community demands through exploration, treatment, and distribution systems design.

Industries

Government · Land Development · Residential · Commercial · Industrial · Wastewater · Water Supply · Stormwater & Flood Control · Transportation · Highways & Roads · Parks & Open Space · Sports & Recreation · Public Safety · Education

Projects

Nilles Associates, Inc. - Engineering Firms