Public works


Public Works Expertise

Vital infrastructure that supports and connects communities

Public works departments face some of the most complex infrastructure challenges of today. Highly visible, public works services are crucial for the well-being and functionality of communities while contributing to the overall quality of life in your region. That’s why we don’t just build infrastructure, we connect communities to vital resources through practical engineering solutions.

With strategic partnerships and right-sized solutions we can help you address today’s critical needs and provide tomorrow’s long-term value. No matter the project, big or small, ISG has the specialized expertise necessary to make your next public works project a reality.

One Firm. One Team. Multi-Disciplinary Solutions in Architecture, Engineering, Environmental, and Planning.

Streets + Corridors

ISG’s municipal experts tackle everything from extending the life of city streets to designing complex infrastructure improvements. No matter how difficult, we get the job done. And we get it done right.

As an extension of your team, we will help you get the most out of your investment while providing your residents a disruption-free experience.


  • ADA Compliance
  • Construction Observation + Administration
  • Corridor Studies + Complete Streets Planning
  • Pavement Management Planning
  • Pedestrian Facilities + Trails
  • Planning + Design
  • Rehabilitation + Reconstruction
  • Rural + Urban Roadway Design
  • Staging + Traffic Control
  • Stormwater Management
  • Street Lighting Design
  • Streetscaping
  • Traffic Signal Operations + Design
  • Utility Coordination + Design

Streets + Corridors Portfolio

Municipal Planning

Well thought out plans lead to implementable solutions. Harnessing the expertise of our in-house engineers, planners, and funding professionals, ISG delivers practical solutions that work. We take the time to understand your current priorities and future goals before suggesting solutions. 

Our municipal planners engage with communities, conduct capital improvement planning, prepare for resiliency, and budget to ensure your project not only gets built but is tailored to the needs of your community.


  • Capital Improvement Planning
  • Community + Economic Development Plans
  • Community Master Planning
  • Community Outreach + Engagement
  • Downtown Master Planning
  • Environmental Planning
  • Facility Assessments + Planning
  • Funding + Grant Assistance
  • Infrastructure Planning
  • Neighborhood + Corridor Planning
  • Parks Master Planning
  • Pavement Management Plans
  • Resource Planning
  • Social Services Planning
  • Transportation Planning

Municipal Planning Portfolio

Municipal Engineering

ISG partners with municipalities that recognize and value the importance of enhancing quality of life for their residents. We listen attentively to understand your community's unique needs and deliver right-sized solutions, at the right time, to ensure that improvements are scalable down the road.

Serving as an extension of city staff, we are proactive and responsive. A true full-service firm, we deliver municipal engineering solutions from sewer systems to utility infrastructure to geographic information systems (GIS). ISG’s practical solutions will guide activities and help you prioritize community improvements.


  • Construction Observation + Administration
  • Extension of City Staff
  • Facilities Planning + Assessments
  • Funding Assistance
  • GIS + Innovative Technologies
  • Hydraulic + Water Quality Modeling
  • Municipal Planning + Funding Support
  • Parks and Recreation Planning and Design
  • Resource Planning
  • Stormwater Design + Management
  • Streets + Corridors
  • Wastewater System Planning + Design
  • Wastewater Treatment
  • Water and Wastewater Operations, Training, and Optimization
  • Water Distribution + Storage
  • Water Supply + Treatment

Municipal Engineering Portfolio

Drinking Water

Water is vital for everyone, everywhere. ISG is committed to ensuring communities have safe, accessible drinking water. Our experts specialize in protecting your source water, employing advanced treatment techniques, and efficiently managing distribution and storage. We will be by your side every step of the way, providing maintenance and operations support to keep things running smoothly.

We focus on resiliency, ease of maintenance, and quality control to deliver tailored solutions. This means designing solutions that are easy to manage while effectively addressing your unique drinking water challenges. Our strong reputation reflects the dedication of our personnel and wealth of experience.


  • Asset Management
  • Emergency Response Planning
  • Hydraulic Modeling + Analysis
  • Planning, Design, and Construction
  • Risk Assessment + Mitigation
  • Source Water Protection
  • Water Distribution + Pipelines
  • Water Operations Training + Optimization
  • Water Quality Monitoring + Control
  • Water Storage
  • Water Supply + Wells
  • Water Treatment

Drinking Water Portfolio


ISG’s wastewater design and engineering professionals are poised to help you overcome wastewater system challenges. We are committed to delivering right-sized outcomes, exemplified by our lagoon treatment system solutions that are tailored specifically for smaller municipalities.

From physical treatment infrastructure to biological and chemical treatment options, ISG works with partners to deliver high-quality wastewater technologies and solutions. With an in-depth understanding of regulations, environmental conditions, and procedures, we confidently plan, design, and address your needs with innovative, budget-appropriate wastewater treatment systems and services that bring you long-term value.


  • Environmental Regulations
  • Industrial Wastewater Treatment + Reuse
  • Infiltration + Inflow Studies
  • Municipal Industrial Pretreatment
  • Planning, Design, and Construction
  • Wastewater Collection Design + Rehabilitation
  • Wastewater Collection System Hydraulic Modeling
  • Wastewater Operator Services + Training
  • Wastewater Pumping Stations
  • Wastewater Treatment
  • Water Reclamation + Reuse

Wastewater Portfolio


Featured Work



We know there is no such thing as a one-size-fits-all solution. That’s why we prioritize communication and strive to serve as an extension of your team.

Looking out for your bottom line, we take partnership to the next level to design the most efficient and cost-effective solutions that are tailored to your community.

  • Serve as an Extension of Your Staff
  • Local Understanding of Your Community Needs
  • In-House Experts + Technologies to Address Complex Challenges

Business Unit Experts

Derek Johnson, PE

Public Works Business Unit Leader

Michael Novitzki, MBA

Public Works Development Strategist

Lenny Larson, PE

Water/Wastewater Group Leader

Danielle Propst, AICP


Nick Frederiksen

Senior Project Manager

Applied Tech in Action

“ISG helped the City of Pleasantville with a major water main improvement project. Their work was timely and accurate, and they held the contractor accountable during construction resulting in a minimal amount of change orders. Their efforts on the project was one of the many reasons why the City selected them to be our City Engineer.”

Shawn Breazeale
City of Pleasantville, Iowa, Public Works Director

Let's Chat.

The Latest at ISG

Creating Learning Options for Water/Wastewater Operators

Public works systems are crucial for community well-being and functionality as they contribute to the quality of life for residents. With an in-depth understanding of regulations, environmental conditions, processes, and procedures, ISG aims to develop strategic partnerships with municipalities and deliver right-sized solutions for their unique systems.

Industry Insights

Community Development Plans: Strengthening the Foundation for Deeper Connections

For a community to evolve into a quality place to live, work, and explore, it starts with a vision. ISG's Planning Group helps bring visions to reality through a strategic process that results in an actionable, and holistic plan, also known as a Community Development Plan (Plan).

Industry Insights

An Ecological Approach at ISG

Did you know that integrating our built environment with the natural world can result in a more functional, sustainable, and resilient landscape? Here at ISG, we aim to make tomorrow better than today, and one way we do that is by incorporating ecology into our planning and design work.

Industry Insights

Streets of Change: Bump Outs, Curb Extensions, and the Pedestrian Experience

ISG has worked with communities throughout the Midwest to design roadways with pedestrian users in mind and challenge conventional understandings associated with bump outs and curb extensions.

Industry Insights

Multimodal Systems + Complete Streets: Value. Opportunity. The Future.

From TV shows and music to restaurants and breweries, millennials crave options, and that is no different when it comes to transportation. More than 70 percent of people ages 18-34 use multiple modes of travel several times per week.

Industry Insights

ISG Expands Environmental Service Solutions – Asset Acquisition of Svoboda Ecological Resources (SER)

ISG is pleased to announce the recent asset acquisition of Excelsior-based Svoboda Ecological Resources (SER), adding to the multi-disciplinary firm’s Environmental Service offerings. For over 25 years, SER has provided ecological planning and assessment services to private and public clients across the Midwest.

Press Releases