Infrastructure solutions.

For decades, Trihydro has been the trusted partner delivering lasting infrastructure solutions that create long-term value for municipalities, agencies, and private clients. From civil site development and roadway design to drinking water, wastewater, and stormwater systems, we provide integrated engineering and environmental services tailored to each project’s needs. Whether upgrading aging infrastructure or building new systems, our team helps clients navigate regulatory and technical complexity with proven, practical solutions. With a collaborative approach rooted in technical excellence, we build infrastructure that performs—and partnerships that are grounded in long-term success.

Civil Site Design

Site design guides infrastructure and development projects from concept to completion. It’s about efficiently developing land by balancing environmental impact, safety, and functionality. Trihydro’s civil engineers consider key elements like grading, drainage, and utilities, while integrating green infrastructure and collaborating with stakeholders. We deliver practical, cost-effective, and sustainable solutions that meet regulatory requirements and community needs.

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Site Analysis and Surveying
Site Layout and Planning
Grading and Earthwork Design
Utility Design
Zoning and Regulatory Compliance
Construction Documents and Specifications
Stormwater Management
Roadway and Pavement Design

Roadway Design

Trihydro offers roadway design solutions to address common challenges such as aging infrastructure, complex right-of-way, utility coordination, drainage issues, and regulatory compliance. Our support spans the entire project lifecycle, from initial design to final construction, and delivers high-quality, cost-effective results that adhere to AASHTO, DOT, and ADA guidelines. We prioritize safety, mobility, and community connectivity.

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Streets and Roads
Pedestrian and Cyclist Networks
Intersection Design

Stormwater System Design

As urban development grows and linear infrastructure expands, managing stormwater becomes increasingly challenging. Trihydro provides innovative stormwater system solutions to manage runoff, reduce flooding, and protect water quality. Our services include planning, design, and regulatory support, using best management practices (BMPs) to create tailored, site-specific strategies. With expertise in complex regulatory frameworks like NPDES, SWPPP, and MS4 programs, we focus on effective, compliant solutions while leveraging strong relationships with regulators for smooth approvals.

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Detention Ponds
Stormwater Pipelines
Stormwater Channels
Stormwater Routing

Surveying

Accurate spatial data is crucial for successful projects, preventing delays and cost overruns. Trihydro delivers this precision through expert land surveying services, including boundary, ALTA, topographic design, and construction staking. Our team efficiently combines advanced technologies like GPS, LiDAR, and UAS with traditional methods for precise data collection. Led by licensed professionals, we provide reliable results that support informed decision-making and smooth project execution.

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Land Surveying
Aerial Mapping/Unmanned Aerial System (UAS)
Survey Mapping

Water and Wastewater System Design

Building and maintaining reliable water and wastewater systems is a significant challenge for communities and organizations, complicated by rising demand, aging infrastructure, and operational inefficiencies. Trihydro provides comprehensive solutions spanning the entire lifecycle. This includes master planning, network engineering, and integrating key elements such as storage, pump stations, and treatment technologies. Our focus on maximizing performance, minimizing energy use, and achieving compliance delivers long-term value and operational efficiency to the communities we serve.

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Water Master Planning
Water Storage
Water Treatment
Wastewater Master Planning
Wastewater Collection and Lift Stations
Wastewater Treatment
Water Transmission, Distribution, and Pumping Systems

Trihydro is one of the best consultants we have had the opportunity to work with. They are very professional and thorough…and their public outreach marketing materials are outstanding! Craig Collins
City of Casper

Our INFRASTRUCTURE projects

Where complex challenges meet technical expertise

Over the years, we’ve helped clients navigate everything from assessment and remediation to permitting and monitoring, and from mine land reclamation to wildfire risk mitigation, and beyond. What sets us apart is our dedication to understanding the specifics of each project—and strategically applying our technical expertise. Our work is guided by a simple principle: leave it better than you found it.

All Projects